If the firefighters ________ in time, the fire would have resulted in many deaths in the hotel.
#87438
A
wouldn’t have arrived
B
hadn’t arrived
C
didn’t arrive
D
shouldn’t arrive
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—Sorry, sir. I can’t answer this question. ---Well, you are supposed______ this part of history.
#86779
A
reading
B
to be reading
C
to have read
D
having read
It is usually warm in Autumn here. But it _____ be freezing sometimes.
#87981
A
will
B
should
C
may
D
can
I can’t find my English book. I must ___ it at home this morning.
#88936
A
forget
B
leave
C
have forgotten
D
have left
She________the opportunity，but unfortunately she just let it go.
#86619
A
should have taken
B
must have taken
C
needn't have taken
D
can't have taken
He knows it is high time that he ________ at once.
#87730
A
quits smoking
B
quitted smoking
C
should quit to smoke
D
quitted to smoke