—Look! The boy in the white shirt ___be Tom. --It ____be him. I saw him enter the library just now.
#76568
A
must; can’t
B
must; mustn’t
C
may; shouldn’t
D
may; mustn’t
推荐题目
— My dog is really fat. — You______ have given it so much food.
#63645
A
wouldn’t
B
couldn’t
C
shouldn’t
D
mustn’t
Some aspects of a pilot's job be boring, and pilots often work at inconvenient hours．
#63217
A
can ; have to
B
may ; can
C
have to; may
D
ought to; must
—Hurry up, Mum. The lights are turned on. Dad has been back.—It _________ be him. He has gone to Shanghai.
#75758
A
must
B
can’t
C
mustn’t
D
may
—He should have come to join in the thorough cleaning.—He _____. I don’t think it was his turn.
#62891
A
needn’t have to
B
needn’t have
C
didn’t have to
D
doesn’t need to
It is a common practice in China that the bride at the weeding ________ be dressed in red to ensure good luck.
#62353
A
can
B
may
C
must
D
would