25. use(d) 26. do / did 27. rained 28. gather

29. stepped , sat , began 30. is ; is ; sits ; rubs; coughs

Ex .11C

1. He came to see me every day last week .

2. It is winter time . We usully have breakfast at seventhirty. 3. How long ago did you buy the shoes you are wearing?

4. The old professor strepped into the classroom ., opened the book and began to teach .

5. How I wish you were here with us!

6. Jane tells me you?re entering college next year.

叶志芳

7. Rome was not built in a day . 8. A rolling stone gathers no moss. 9. Pratice makes perfect.

10. He who laughs last laughs best . 11. One good turn deserves another .

12. Whenever ammonia is akked to this liquid , its colour changes to orange . 13. I wondered if you could lend me yoiur car. 14. I hear that old Henry died last night .

15. This tape recorder is easy to operate . Watch what I do . I swith it on , press this button and it starts . Ex.11D 1. is living 2. live

3. is…standing 4. stands 5. sees

6. is getting

7. are … spending 8. boils 9. is boiling 10. is getting

11. is always writing 12. are … talking about

13. writes , know , is doing , Does your son write ; hear , seems 14. are always hammering ; keeps , begins , hear , shakes

15. smell ; do , think , is coming , is probably ironing , irons , watches , gets , forgets , is pressing , is thinking

16. is running ; passes , kicks ; heads , misses ; hits , bounces ; is happening ; is lying ; is holding ;is running ; is runing ; is blowing

叶志芳

Ex.11E

1. arrived , was telephoning 2. arrived , telephoned

3. did … do ; was (just ) doing 4. was (always) ringing

5. was burning , was sleeping ; was playing , (was ) singing; was ; stopped ; woke 6. was drowning , dived , saved 7. was listening , rang , did not hear

8. exploded ,was landing , climbed ; were waiting , witnessed 9. ate ;was going

10. was (still) moving , jumped ; thought ,was happening , ran 11. Did … want ; hoped / was hoping

12. (1) was (just ) hanging out (2) stared (3) was wiping (4) lost (5) fell off (6) was washing (7) rushed (8) knocked over (9) let (10) was talking (11) managed (12) was doing (13) cut (14) was peeling (15) was reversing (16) forgot (17) bumped Ex. 11F 1. differs

2. belongs to 3. are landing 4. know 5. are ,have 6. am going 7. tastes 8. is waiting

9. is (just) coming in 10. flows 11. is raining 12. floats

13. is falling in 14. equals

15. is…stopping 16. realize , forgive 17. is dictating 18. am trying 19. matters

20. is dying ,is just leaving 21. concerns , think 22. prefer

23. smell ,smells

24. goes /is always going 25. are…sitting

26. suppose , know , means

27. appreciate

28. is always doing /always does 29. cost

30. grow , have Ex. 11G

1. is arriving , have

2. are being , am (still) having 3. think , am thinking 4. am expecting 5. expect 6. Do …mind 7. Is…minding 8. doesn?t hear 9. is hearing 10. am smelling 11. smell

12. am forgetting 13. forget 14. consider

15. is considering 16. are being 17. am measuring 18. measures

19. Does…apply , applies 20. am applying

21. am tasting , taste , tastes 22. is hurting / hurts 23. are hurting

24. Feel , Does … feel 25. extends , are extending 26. do … think , don?t think 27. are …smelling 28. is seeing to

29. do…feel / are …feeling , feel / am feeling 30. is tasting , think EX. 12A

1. have been telephoning , Haven?t you nearly finished ; haven?t got , have been trying , has been

2. have been paying , haven?t played 3. have beening writing / have written 4. have … been learning / have …learned 5. has been sleeping / has slept 6. has been coughing /has coughed

7. have known ,have been reading , haven?t finished

8. have been , have …come

9. has been learning , has mastered 10. has been raining , has stopped 11. have travelled 12. Have …read 13. have been reading 14. have read 15. has let

16. has been crying 17. has injured

18. has been assassinated 19. have been working 20. has been losing Ex. 12 B

1,YES 3. YES 5. YES 7. YES , NO 9. YES , YES , YES Ex. 12 C I

(1) stuck (3) lit (5) had left (7) put (9) got (11) had put (13) dropped (15) found (17) had…made II

(1) opened (3) had …been listening (5) had heard (7) had been doing / was doing (9) had dropped (11) didn?t see 13) had..dropped 14) opened

15) had been taking 16) were 17) turned 18) asked 19) pulled

2.NO 4. YES

6. YES , NO 8. NO , NO , NO 10. YES , NO (2) reached (4) sat

(6) had had (8) undressed (10)fell

(12) had forgotten (14) burned (16) had burned (2) saw

(4) wondered (6) asked (8) said

(10) had been looking (12) found