有非常详尽的讲解,是笔者多年一点一点的积累。
4. He set the alarm clock for seven.
_________he the alarm clock for seven?
5. Alan often does housework after school.
________ Alan often housework after school?
6. They work on the farm with their parents every weekend.(2009)
they on the farm with their parents every weekend?
7. Your mother has never tried shopping on the Internet. (2010)
Your mother has never tried shopping on the Internet, __________ __________?
8. Peter often helps in the house at the weekend. (2010)
__________ Peter often __________ in the house at the weekend?
答案：1. Do enjoy 2. Do do 3. Does have 4. Did set 5. Does do
6. Do work 7. does she 8. Does help
C. 改成否定句：
1. The captain worked at the South Pole last year.
The captain ___________ ___________ at the South Pole last year.
2. Alice attends the lecture once a week.
Alice ___________ ___________ the lecture once a week.
3. Peter collected some old coins two years ago.
Peter _________ collect ___________ old coins two years ago.
4. You’d better go to see him off at the railway station.
You’d better ___________ __________ to see him off at the railway station.
5. The old man realized that too much salt was harmful to health.
The old man __________ ___________ that too much salt was harmful to health.
6. Sam wants to look for a job in London after he graduates from university.
Sam __________ __________ to look for a job in London after he graduates from university.
7. Tell Harry the news when you see him, please.
____________ ____________ Harry the news when you see him, please.
8. We keep in touch with each other by email. (2011)
We _________ __________ in touch with each other by email.
答案：1. didn’t work 2. doesn’t attend 3. didn’t any 4. not go
5. didn’t realize 6. doesn’t want 7. Don’t tell don’t keep