--The window is dirty.----I know. It ______ for weeks.
#101363
A
hasn’t cleaned
B
didn’t clean
C
wasn’t cleaned
D
hasn’t been cleaned
推荐题目
I fixed my eyes upon the newcomer, wondering whether I ________ him somewhere before．
#99984
A
saw
B
has seen
C
had seen
D
would see
It’s time that I ______ home, but I’m enjoying myself, so I will stay here a bit longer.
#101567
A
will go
B
would go
C
go
D
went
----I’m sorry, but there is no smoking on this flight.----Oh, I _____ that. Sorry, I won’t again.
#104849
A
don’t know
B
didn’t know
C
won’t know
D
haven’t known
—-Is it possible for us to meet at ten o’clock tomorrow morning?—-Sorry, it is certainly not. I an important meeting then.
#102707
A
attend
B
am attending
C
will attend
D
will be attending