5. Alexander Fleming noticed that it was mould that had made the bread ________.

A. went bad　 　　B. gone bad　

C. going bad 　　D. go bad

4. He soon fell asleep, _____ the door open.

A. forgetting　 B. leaving　 C. though　 D. while

3. _____she was iii made us all very

A. Because, sad　　 　　　B. That, worried

C. Whether, disappointed　 D. What, worrying

2. This is one of the farmers who _____ going to visit the US next month.

A. is　 B. are　 C. was　 D. would

1. There_____a schoolbag and a few books on the desk.

A. be　 B. is　　 C. has　 D. have

1．以or连并列主语，谓语的数按就近原则处理。2．“这些中连一个都不应当……”，其他项都是不正确的表达方式。3．not because...，but because...句型．4．re-garded...的逻辑主语应为he。5．两事物进行比较，特指其中一个时应用定冠词。6．al-ways应置于be之后，而nearly修饰always，又应置于其前边。7．对完成了的事进行推测，反问应用完成时。o．按意义，反问应用we。9．只有C在语句结构上和句子意义上都正确。10．只有A是正确的表达方式。11．asleep当宾补。12．ftee是副词，意为“免费地”。13．if ever如果曾这样做的话。14．1ate thoughit was＝late asit was。'5．按句意，应用“直到……才”的句型。16．How proud of ... they are为感叹句。'7．pay钱for物。18．has beenhere来过这里，has gone已经走了．19．keep in closetouch with，当keep换成get时，close就不应用了。20．by fishing以打鱼的方式。

1. D　 2. D 3. C　 4. D　 5. B　 6. C　 7. B　 8. B　 9. C　 10. A　 11. D 　12. B 　13. B 　14. A 　15. C 　16. D 　17. D　 18. B 　19. A 　20. B

解析：

20. People living around here live ________ fishing.

A. on　 　　B. by　 　　C. from　 　　D. for

Key:

19. Henry and I ________ in close touch with each other through phone calls.

A. kept　 　B. got 　　C. made 　　D. had

18. An old gentleman ________ here, and he ________ to the hospital now.

A. was, has gone　　 　B. has been, has gone

C. has gone, has been　 D. has been, has been