You must be a student, ＿＿＿＿＿＿＿＿you?
#89865
A
wasn’t
B
are
C
mustn’t
D
aren’t
推荐题目
Messages ______ be changed from sound into electricity before they ______ be sent by radio.
#90077
A
must; will
B
have to; can
C
can; must
D
need; may
— Where is my dictionary? I remember I put it here yesterday. —You it in the wrong place.
#87303
A
must put
B
should have put
C
might put
D
might have put
We suggest that more measures _________ to solve the problem of overpopulation.
#87290
A
will be taken
B
be taken
C
can be taken
D
must be taken
He _______ busy yesterday, or he _______ you with your experiment.
#86706
A
was; had helped
B
was; would have helped
C
had been; would have helped
D
were; would have helped
This cake is very sweet. You _____ a lot of sugar in it.
#90559
A
should put
B
could have put
C
might put
D
must have put