问题
选择题
—How clean the bedroom is!
—Yes, I am sure that someone _____ it. [ ]
A. cleans
B. cleaned
C. has cleaned
D. had cleaned
答案
答案:C
—How clean the bedroom is!
—Yes, I am sure that someone _____ it. [ ]
A. cleans
B. cleaned
C. has cleaned
D. had cleaned
答案:C