I’m really busy now. I can’t help the room. A. clean B. cleaning C. having cleaned D. cleaned 查看更多

 

题目列表(包括答案和解析)

I’m really busy now.I can’t help ___________the room.

A.clean   B.cleaning  C.having cleaned D.cleaned

 

查看答案和解析>>


同步练习册答案