作业帮新概念英语练习册第53课答案
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新概念英语练习册第53课答案
Lesson 53
A
1. have just put out, put out, have been putting out
2. have been trying, tried, have tried
3. have been smoking, have already smoked, smoked
4. thought, has thought / has been thinking, has been thinking
B
1. away 2. quiet 3. to 4. at 5. quite
6. drop 7. fell 8. reason 9. cause 10. caused
C
1. a 2. c 3. c 4. c 5. b 6. c
A
1. have just put out, put out, have been putting out
2. have been trying, tried, have tried
3. have been smoking, have already smoked, smoked
4. thought, has thought / has been thinking, has been thinking
B
1. away 2. quiet 3. to 4. at 5. quite
6. drop 7. fell 8. reason 9. cause 10. caused
C
1. a 2. c 3. c 4. c 5. b 6. c