30 Tom is strong enough to lift the box

31 The weather is fine enough for Mary and her little brother to go to school

32 The sun is not warm enough for us to live on

20 C

21 D

22 B

23 B

24 B

25 B

XIV

1 are going

2 am organizing

3 like

4 has

5 is planning

6 brings

7 goes

8 has

9 thinks

10 is taking

6 is waiting

7 am interviewing

8 works

9 is talking

10 seems

1 play

2 is finishing

3 are enjoying

4 prefer

5 know

We are given more information

They were expected to offer her the job

6 looking for

7 go on

8 going up

9 put down

10 turn on

II

1 turn off

2 looks after

3 tidying up

4 put away

5 looking forward

6 spending

7 raising

8 clean/non-polluting

9 turning

10 electric