–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
推荐题目
—________I do the laundry first, Mum?—No, you ________. You can do your homework first.
#75490
A
Must; mustn’t
B
Can; mustn’t
C
Must; needn’t
D
May; needn’t
You _______be hungry already—you had lunch only two hours ago.
#63104
A
can”t
B
wouldn”t
C
mustn’t
D
needn”t
Jim. You are late again.  ---   sorry. I___   next time.
#77072
A
don’t
B
won’t
C
can’t
D
am not
 I told Sally how to get here, but perhaps I ______for her.
#62233
A
had to write it out
B
must have written it out
C
should have written it out
D
ought to write it out