-------- The window is dirty. --------- I know. It __________ for weeks.
#101585
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
—Didn’t the guard see him breaking into the bank?—No, he ________ in the other direction.
#104748
A
was looking
B
had looked
C
looked
D
is looking
—My dear, you ______ things about. Look, what a mess in the room! —Sorry, Mom.
#99063
A
have always thrown
B
always throw
C
are always throwing
D
always threw
—I phoned you at 9 this morning but got no answer.—I am sorry. I _____ the bell. I _____ in the garden.
#101559
A
didn’t have heard, must have been
B
didn’t have heard, must be
C
didn’t hear, must have been
D
didn’t hear, must be
—How long in America?—Two years. I came back last month.
#101175
A
have you studied
B
do you study
C
would you study
D
did you study