— The window must have taken you quite a
题型:选择题
问题:
— 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
— 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