—Where is Bob? I cannot find him anywhere.—He       have been off long. I heard him make a call just now.
#90189
A
shouldn’t
B
can’t
C
mustn’t
D
needn’t
推荐题目
___ , we would have taken raincoats with us.
#89062
A
Had we known
B
We had known it
C
If we were known
D
If we know
---- Did you visit the Big Ben in London?---- No, we ______ it, but we spent too much time shopping.
#90301
A
could visit
B
could have visited
C
must ahave visited it
D
can have visited
The manager of the hotel requests that their guests ______ after 12:00 p.m.
#86964
A
not to play loud music
B
not play loud music
C
don’t play loud music
D
couldn’t play loud music
----Where have you been?---- I _______ stuck in the traffic. I ________ here earlier.
#86732
A
had got; would have been
B
have got; would be
C
got; had done
D
got ; would have been