Many questions have been answered by John. He must have previewed the lessons last night, ____ he?
#87702
A
needn’t
B
hasn’t
C
didn’t
D
mustn’t
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--- I paid him 300 yuan for the sneakers．--- Oh, he charged you too much．You _____ them with half the money．
#87514
A
could have bought
B
needn’t have bought
C
must have bought
D
wouldn’t have bought
Peter ______ be really difficult to deal with at times even though he’s a nice person in general.
#87864
A
shall
B
should
C
can
D
must
Being examined twice a year，whether it is a car or a bus or a truck，is the rule that every driver _______obey in this city.
#87482
A
shall
B
can
C
ought to
D
need
(2013·浙江，8)Eye doctors recommend that a child's first eye exam ________ at the age of six months old.
#86621
A
was
B
be
C
were
D
is
——Look at your pale face. You ______ a sleepless night. ——You bet. The work site next to the hotel was so noisy.
#87538
A
must have had
B
might have
C
should have had
D
cannot have had