4. B。for加一段时间用于现在完成时表延续。
3. A。其它三种表达方式错误,这里无需用名词的所有格。
2. D。a few和few均修饰可数名词,但few表否定。
1. A。主句是现在完成时,从句由since引导。
15. A. good B. better C. best D. well
名师点评
这是一封温馨老友的来信,信中提到了同学的重聚勾起了对往日学校生活和昔日同窗的怀念。
答案简析
14. A. understand B. hear C. see D. know
13. A. busy B. happy C. free D. sorry
12. A. drink B. drank C. had drunk D. was drinking
11. A. what were you doing B. what you were doing
C. how were you doing D. how you were doing
10. A. to miss B. in missing C. miss D . missing