14 A

15 B

16 B

17 A

18 A

19 B

20 C

21 C => is bleeding

22 D => in a minute

23 C => chocolate 

13 C

1 I saw Jim going out with a beautiful girl

2 I saw Helen talking to a stranger yesterday

3 The boy watched the cat jump throught the window

1 B

2 D

3 B

4 A

5 B

II

6 A

7 D

8 D

9 A

10 D

11 C

12 B

What about going out for a while?

31 D

32 B

33 A

34 B

35 B

36 Unless he works harder, he will lose his job

37 It is the first time I have been here

39 We had to cancel the game because it was raining hard

40 Spending the weekend in the countryside is very wonderful

1. A. receive B. product C. retain  D. advise

2. A. pollen   B. police    C. Polite  D. pollute

3. A. forget   B. comet    C. regret  D. direct

4. A. reply    B. appeal   C. offer     D. support

5. A. answer  B. allow    C. agree   D. deny

21 B => any

22 A => were

23 B => mountainous

24 B => looking for

25 D => the following day

26 B

27 A

28 B

29 C

30 A

1 taller

2 funnier

3 nicer

4 more beautiful

5 slimmer

6 fatter

7 better

8 easier

9 more careful

10 worse