--- He worked out such different questions at a very young age.--- Oh, he ______ a very smart student then.
#63131
A
could have been
B
should have been
C
might have been
D
must have been
推荐题目
You ________ play with the knife. You ________hurt yourself.
#75972
A
mustn’t; may
B
mustn’t; must
C
shouldn’t; must
D
can’t; should
You have finished most of the work, so you ______ start working so early tomorrow. You ______ come at 9:00.
#74558
A
can’t ; may
B
mustn’t ; can
C
needn’t ; may
D
couldn’t ; can
(2013·南昌三中模拟)—Do you think Jack will lend us a hand?—He is the last one to help others. He ________ lend his hand, though.
#62377
A
can
B
must
C
should
D
might
You_______ play with the knife. You ______ hurt yourself.
#77296
A
mustn’t; may
B
mustn’t; must
C
shouldn’t; must
D
can’t; should