问题补充:
— Could I clean the bedroom for you?
— No, thanks. I it myself.
A. cleaned
B. have cleaned
C. was cleaning
D. had cleaned
答案:
A. cleaned
(答案→)B. have cleaned
C. was cleaning
D. had cleaned
解析:既然不需要别人帮忙打扫卧室,说明“我已经打扫了”,应用现在完成时态,故选B。
时间:2018-08-17 03:21:10
— Could I clean the bedroom for you?
— No, thanks. I it myself.
A. cleaned
B. have cleaned
C. was cleaning
D. had cleaned
A. cleaned
(答案→)B. have cleaned
C. was cleaning
D. had cleaned
解析:既然不需要别人帮忙打扫卧室,说明“我已经打扫了”,应用现在完成时态,故选B。