I’m impressed with his determination. When he had a problem to solve, he _____ work at it until he found an answer.
#63610
A
would
B
might
C
must
D
should
推荐题目
—_________ I take some photos in the hall, sir? —No, you _________.
#74914
A
Can, needn't
B
Must, mustn't
C
Could, won't
D
May, mustn't
–Look at that red bike, it _____ belong to you. I have seen you ride it. --But it ____ be mine. Mine is broken. I am having it repaired.
#75657
A
may, can’t
B
must, mustn’t
C
may, mustn’t
D
must, can’t
--- What ____ have happened to Kevin? --- He might have run into some trouble.
#62710
A
could
B
must
C
would
D
might
—Listen! Is Mary singing in the next room?—No. It _______ be Mary．She has gone to Shanghai for an important meeting.
#74311
A
can’t
B
may not
C
mustn’t
D
needn’t