1C twin
16C about
2C on
17C trip
3B fridge
18C go
4C some
19A table
5A sixth
20A polluted
6B on
21C arrive
7 B can't
22A knocked
8A freezing
23B ago
9B out
24A mustn't
10B brush
25C going
11b teach
26C park
12B about
27A smaller
13A is making
28C centre
14B exchange
29B rules
15B show
30B needn't
1C twin
16C about
2C on
17C trip
3B fridge
18C go
4C some
19A table
5A sixth
20A polluted
6B on
21C arrive
7 B can't
22A knocked
8A freezing
23B ago
9B out
24A mustn't
10B brush
25C going
11b teach
26C park
12B about
27A smaller
13A is making
28C centre
14B exchange
29B rules
15B show
30B needn't