问题

— The window must have taken you quite a lot of time that day.— You are right. They _____ for weeks. [ ]

A: haven't been cleaned
B: hadn't been cleaned
C: didn't' clean
D: haven't cleaned

正确答案是：

同类题型

The film brought the hours back to me _________ I wastaken good care of in that faraway village

a better view of the stage,____________________.

What did you think of the concert given by the famous Hong Kong singer?— Not so good.In fact, it ______ to be a great disappointment. [ ]

have_____break, mumDid you have_____ short one an hour ago

Shanghai is bigger than ______ in Jiangsu and bigger than ________ in China..