90 выручите, полчаса есть у меняyou havе rеcеivеd a lеttеr from your english-spеaking pеn friеnd, bill. probably won’t believe it but many of my classmates have difficulty in communicating with each other. they have lots of friends on social networks but cannot maintain a real much time do you usually spend surfing the internet? why do you think chatting online is so popular with young people? what quality of character must a real friend writе him a lеttеr and answеr his 3 quеstions.write 100–120 words. remember the rules of letter writingyou havе 30 minutеs to do this task.
{5}
a. The shoes I am wearing now are rather comfortable.
b. It was too cold, that’s why we had to return home.
c. Bring me the papers of those students who are still writing.
d. Mother is on her way home, I think.
e. I couldn’t find the house where my friend was living.
{2}.
a. The binary system is particularly appropriate to the nature of an electric machine;
if it was not existed, computer designers would have to invent it.
b. If he was not busy, he wouldn't miss that conference
c. If one used a computer, time would be saved .
d. If you learned all the words of the lesson, you would write your test successfully.
e. I decided to stay at home last night.
If I wasn't so tired, I would go out
Объяснение:
1.My mum had cooked a cake by 10 o'clock.
Had my mum cooked a cake by 10 o'clock?
Had my mum cooked a cake by 10 or 9 o'clock?
Who had cooked a cake by 10 o' clock?
What had my mum cooked by 10 o'clock?
My mum had cooked a cake by 10 o'clock, hadn't she?
2 My friend flies to Moscow every Sunday.
Does my friend fly to Moscow every Sunday?
Does my friend fly to Moscow or Paris every Sunday?
Who flies to Moscow every Sunday?
When does my friend fly to Moscow?
My friend flies to Moscow every Sunday ,doesn't he?
3 . When I came my mum was dancing.
Was my mum dancing when I came?
Was my mum dancing or singing when I came?
Who was dancing when I came?
What was my mum doing when I came?
When I came my mum was dancing ,wasn't she?