选择填空：
1. The old couple have been married for 40 years and never once_________ with each other.
A. they had quarreled B. they have quarreled
C. have they quarreled D. had they quarreled
2. Only when your identity has been checked __________.
A. you are allowed in B. you will be allowed in
C. will you allow in D. will you be allowed in
3. Only in this way ________ to make improvements in the operating system.
A. you can hope B. you did hope
C. can you hope D. did you hope
4. —You forgot your purse when you went out.
— Good heavens, ________.
A. so did I B. so I did
C. I did so D. I so did
5. Not only________ interested in football but _______ beginning to show an interest in it.
A. the teacher himself is; all his students are
B. the teacher himself is; are all his students
C. is the teacher himself; are all his students
D. is the teacher himself; all his students are
6. So difficult _______ it to live in an English-speaking country that I determined to learn English.
A. I have felt B. have I felt
C. I did feel D. did 1feel
7. Not a single song ________ at yesterday's party.
A. she sang B. sang she
C. did she sing D. she did sing
8.They arrived at the farmhouse, in front of which ________.
A. is sitting a boy B. sat a boy
C. a boy sat D. a boy is sitting
9. No sooner__________ his talk than he__________ the workers.
A. he finished, surrounded all
B. did he finish, did he surround all
C. had he finished, was surrounded by
D. after he finished; was surrounded by
10. So loudly________ that every one of the class could hear him.
A. did he speak B. did he spoke
C. spoke he D. he spoke
