－Look, your sister is playing the piano over there.－She ______ be my sister. She has gone to America.
#77768
A
mustn’t
B
can’t
C
shouldn’t
D
may not
推荐题目
-- Look at the boy running on the ground. Is it David?-- It _______ be him. I saw him go to the teacher’s office just now.
#77075
A
might
B
could
C
can’t
D
mustn’t
We ________the difficulty together, but why didn’t you tell me?
#62629
A
should face
B
might face
C
could have faced
D
must have faced
—Who is the girl standing over there? —Well, if you _____ know, her name is Kate.
#74998
A
must
B
may
C
can
D
shall
Doctor Wang at seven o’clock for the conference, but she didn’t turn up.
#62827
A
should have arrived
B
should arrive
C
should be arrived
D
should be arriving
The children _____lost in the woods; otherwise, they would have been at the lakeside camp as scheduled.
#62949
A
must have got
B
must get
C
should have got
D
should get