—Listen! Peter is singing in the classroom! —It _____ be him. He has gone back to his hometown.
#74925
A
must
B
mustn’t
C
may not
D
can’t
推荐题目
(2013·新课标Ⅰ，29)The door________open，no matter how hard she pushed.
#62491
A
shouldn't
B
couldn't
C
wouldn't
D
mightn't
—What qualities does a person need to become an astronaut?—He ________be knowledgeable，independent and creative.
#62462
A
can
B
may
C
would
D
should
—Are you going to the concert?—I’m not sure. I stay inside and watch it live on TV instead.
#63677
A
can
B
might
C
should
D
must
-----Look! The girl dancing in the gym ____ be Joe. She is the girl who loves dancing too much, you know. ----- No, it ____ be her. Joe has gone to Shanghai.
#76735
A
must; mustn’t
B
must; can’t
C
can’t; mustn’t
D
can’t; can’t