I.选择填空：(15分)
1. _______ do you usually do on weekends?
A. How often B. How C. How much D. What
2. She sometimes __________ the movies.
A. go to B. goes to C. see D. watch
3. Some students exercise ___________ a week.
A. once or twice B. once and twice C. three or four time D. three and four times
