问题
选择题
— 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
答案:B
本题考查时态。根据句意可知我已经扫过了,故用现在完成时。句意:——我可以为你卧室打扫吗?——不,谢谢,我已经扫过了。
— 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:B
本题考查时态。根据句意可知我已经扫过了,故用现在完成时。句意:——我可以为你卧室打扫吗?——不,谢谢,我已经扫过了。