Who do you suppose _________ turn to for help?
#87925
A
should we
B
we should
C
do we
D
can we
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It was so nice of you to come to our aid. I don’t think we ______ it without you.
#86416
A
can manage
B
could have managed
C
must have managed
D
could manage
But for their common interests, they_____ cooperated so smoothly in the investigation of the case.
#86893
A
could have
B
will not have
C
could not have
D
have not
.I didn’t see Mr White at the meeting ._____ he come, he would have given a lecture.
#89572
A
Would
B
Did
C
Should
D
Had
The professor ________at 8 o’clock，but he has not shown up yet，which worries all of us.
#86762
A
was supposed to arrive
B
must have arrived
C
might have arrived
D
was supposed arriving