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17 Jeff and Chris were breathing heavily while they WERE CLIMBING
the mountain.
The switchbacks were getting steeper and steeper.
18 It was the HIGHEST mountain in the area.
19 The boys HAVE SLOWED considerably since the beginning of their adventu-
re.
Chris could tell that Jeff was losing steam.
"Do you want to sit for a minute?" asked Chris.
"Yeah," replied Jeff in a hollow voice.
20 The boys sat down on pine needles and TOOK swigs of water in an attempt to cool off.
21"We are at the same point where we STOPPED our hiking last time, " commented Jeff.
"That's right, " said Chris, "so we should keep
going to get further up this mountain. "
"I just don't think I'll manage to do it today,
today, " said Jeff.
"Jeff, you've got to try, " encouraged Chris.
22 Jeff HAD THOUGHT about it and then decided he did want to give it a try. Before he could change his mind, he bolted up the hill. He climbed so fast he almost fell over.
"Jeff Slow down, " called Chris.
23"No way. If I stop, I AM NOT GOING TO MAKE it," yelled Jeff. He continued his push up the mountain.
24 Chris followed close behind. Each grueling step shot pain throughout their BODIES but they just kept going. Higher and higher they climbed.
25 Before long, they found THEMSELVES just below the top of the mountain. Jeff looked back at Chris.
"Are you ready?" asked Jeff.
"More than I'll ever be, " answered Chris.
The two climbed to the top of the mountain and
watched the sun rising. It was a beautiful morning.
Giant pandas are vulnerable bears that
are typically found in the southern region
of China.
26 They are some of the most RECOGNIZABLE animals due to the black patches on their body.
27 Although giant pandas share a name with the red
panda, the two are NOT RELATIVES.
28 Although giant pandas were once common in both lowland and highland areas in China, human activities have limited the POPULATION to highland regions.
29 Established in 1987, the Chengdu centre was home to 50 pandas according to recent figures, which is SINGIFICANTLY more than most other centres in China.
The centre allows tourists to participate in some activities such as caring for the pandas.
30 Tourists who become panda KEEPERS are given certificates as well as a T-shirt.
31 The base limits INVOLVING in the program to people who are between the ages of 12 and 65 due to the danger posed by the pandas.
Unit 3
grammar
2 complete the sentences with for or since.
a she's lived in london since 2003
b we've been in this classroom for two hours.
c they've been married for a long time.
d he's been at this school for three years.
e we've been here since 10 o'clock.
3 complete the sentences with the verbs in
brackets. use the present perfect or past
simple.
a I have lived here for a long time. my parents moved here when i was five.
b we went to ireland last year but we haven't visited england yet.
c I finished my homework two hours ago but i haven't called my friends yet.
d I have been at this school since i was 12.
e we started learning english three years ago.
I have known my best friend since we were young. i met her when we were at junior school.
4 circle the correct alternatives.
a I had lived in London for a long time before i learnt to speak english fluently.
b before we came to this country, we had never travelled by plane.
c i had finished all my homework before i met my friends.
d when my friend called, i had just had my breakfast.
e we had studied hard before we took the test.
17 Jeff and Chris were breathing heavily while they WERE CLIMBING
the mountain.
The switchbacks were getting steeper and steeper.
18 It was the HIGHEST mountain in the area.
19 The boys HAVE SLOWED considerably since the beginning of their adventu-
re.
Chris could tell that Jeff was losing steam.
"Do you want to sit for a minute?" asked Chris.
"Yeah," replied Jeff in a hollow voice.
20 The boys sat down on pine needles and TOOK swigs of water in an attempt to cool off.
21"We are at the same point where we STOPPED our hiking last time, " commented Jeff.
"That's right, " said Chris, "so we should keep
going to get further up this mountain. "
"I just don't think I'll manage to do it today,
today, " said Jeff.
"Jeff, you've got to try, " encouraged Chris.
22 Jeff HAD THOUGHT about it and then decided he did want to give it a try. Before he could change his mind, he bolted up the hill. He climbed so fast he almost fell over.
"Jeff Slow down, " called Chris.
23"No way. If I stop, I AM NOT GOING TO MAKE it," yelled Jeff. He continued his push up the mountain.
24 Chris followed close behind. Each grueling step shot pain throughout their BODIES but they just kept going. Higher and higher they climbed.
25 Before long, they found THEMSELVES just below the top of the mountain. Jeff looked back at Chris.
"Are you ready?" asked Jeff.
"More than I'll ever be, " answered Chris.
The two climbed to the top of the mountain and
watched the sun rising. It was a beautiful morning.
Giant pandas are vulnerable bears that
are typically found in the southern region
of China.
26 They are some of the most RECOGNIZABLE animals due to the black patches on their body.
27 Although giant pandas share a name with the red
panda, the two are NOT RELATIVES.
28 Although giant pandas were once common in both lowland and highland areas in China, human activities have limited the POPULATION to highland regions.
29 Established in 1987, the Chengdu centre was home to 50 pandas according to recent figures, which is SINGIFICANTLY more than most other centres in China.
The centre allows tourists to participate in some activities such as caring for the pandas.
30 Tourists who become panda KEEPERS are given certificates as well as a T-shirt.
31 The base limits INVOLVING in the program to people who are between the ages of 12 and 65 due to the danger posed by the pandas.
grammar
2 complete the sentences with for or since.
a she's lived in london since 2003
b we've been in this classroom for two hours.
c they've been married for a long time.
d he's been at this school for three years.
e we've been here since 10 o'clock.
3 complete the sentences with the verbs in
brackets. use the present perfect or past
simple.
a I have lived here for a long time. my parents moved here when i was five.
b we went to ireland last year but we haven't visited england yet.
c I finished my homework two hours ago but i haven't called my friends yet.
d I have been at this school since i was 12.
e we started learning english three years ago.
I have known my best friend since we were young. i met her when we were at junior school.
4 circle the correct alternatives.
a I had lived in London for a long time before i learnt to speak english fluently.
b before we came to this country, we had never travelled by plane.
c i had finished all my homework before i met my friends.
d when my friend called, i had just had my breakfast.
e we had studied hard before we took the test.