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
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— No wonder you caught a cold. You _____ out last night without a coat. — I know how silly I was.
#87891
A
shouldn’t have gone
B
mustn’t have gone
C
couldn’t have gone
D
mightn’t have gone
They must have been here the day before yesterday,＿＿＿＿?
#89896
A
mustn’t they
B
didn’t they
C
mustn’t have they
D
had they
As I explained on the phone, your request that the plan at once will be considered at the next meeting.
#86681
A
should carry out
B
be carried out
C
will be carried out
D
will carry out
Aunt Mary is crazy about shopping. She must be snapping up the bargains in the department store during such a sale, ______?
#87778
A
mustn’t she?
B
isn’t she
C
needn’t she
D
doesn’t she