— The window must have taken you quite a lot of time that day.
— Right. They____ for weeks.
A.haven’t been cleaned | B.hadn’t been cleaned |
C.didn’t clean | D.haven’t cleaned |
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— The window must have taken you quite a lot of time that day.
— Right. They____ for weeks.
A.haven’t been cleaned | B.hadn’t been cleaned |
C.didn’t clean | D.haven’t cleaned |