The house is dirty because it since they moved out.
#100966
A
doesn’t clean
B
isn’t cleaned
C
hasn’t cleaned
D
hasn’t been cleaned
推荐题目
—I’m sorry, but the manager isn’t here yet. Shall I have him call you when he comes back?—No, I’ll call him later. If I call again in half an hour, do you think he ____?
#100650
A
arrives
B
has arrived
C
will arrive
D
will have arrived
—Do you regret not having gone abroad?—Why should I? I ____as much, but I’m glad to devote myself to our motherland.
#104441
A
didn’t earn
B
don’t earn
C
hadn’t earned
D
haven’t earned
单项选择（每题1分）—Listen！It is raining.—Oh， really！ I______ it at all.
#103629
A
didn’t realize
B
don’t realize
C
haven’t realized
D
hadn’t realized
— Do you still remember how we first met?— Yes, you ________ to my office and ran into me on the way.
#101187
A
were walking
B
walked
C
had walked
D
walks
I know little about the accident because not much_________ about it up to now
#99272
A
has said
B
has been said
C
had said
D
had been said