Tom _____ full marks, but he was too careless and made a spelling mistake.
#86664
A
could gain
B
could have gained
C
must have gained
D
must gain
推荐题目
It is a good example of a site that many people think _____ to change.
#90158
A
need
B
to need
C
needs
D
needing
We all suggest that she _____ at the weekend, because her pale face suggests that she _____ in bad condition.
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A
does not work; is
B
cannot work; was
C
not worked; was
D
not work; is
You have a big mouth,Tom. You have told everybody the secret.
#87700
A
shouldn’t
B
mustn’t
C
can’t
D
mightn’t
Do you think he is lazy？” “I _____ so once, but I don’t now.”
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A
may have thought
B
can have thought
C
may think
D
might think
He ________ the exam, but he was too careless.
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A
could have passed
B
couldn’t have passed
C
must have passed
D
may have passed