问题
选择题
—Look!Somebody ________ the sofa.
—Well,it wasn't me.I didn't do it.(2012·江西)
A.is cleaning
B.was cleaning
C.has cleaned
D.had cleaned
答案
答案:C
考查时态。句意:——瞧,有人擦过沙发了。——哦,不是我,我没有擦过沙发。根据语境可知,空处表示有人已经做过某事了,故用现在完成时。