Ответ:

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