Since nobody gave him any help，he ________ have done the research on his own.
#62304
A
can
B
must
C
would
D
need
推荐题目
Most of the big hotels in Shanghai were full last week, but finally we______find a room in a small one.
#62964
A
ought to
B
could
C
were able to
D
might
----Whose book is this?----It _______ our geography teacher’s. You see, his name is on it.
#75405
A
can’t be
B
can be
C
mustn’t be
D
must be
---Must I hand in my exercise book now, Mr. Zhao?---No, you ______. You may give it to me tomorrow.
#76928
A
mustn’t
B
can’t
C
needn’t
D
don’t
Today is Wednesday. He _______ be at home. He _____ be at school.
#77309
A
can’t, can
B
can’t, must
C
mustn’t, must
D
mustn’t, can
Very loud noises make people ill. So we make great noise.
#76298
A
must ; mustn’t
B
need ; needn’t
C
can ; mustn’t
D
must ; can’t