---Someone is knocking at the door. Is it your brother?---No, it        be him. He’s gone to Hunan.
#74307
A
mustn’t
B
won’t 
C
can’t  
D
needn’t
推荐题目
—_____ you please play tennis with me? —Sorry, I _____.
#74769
A
Could; can’t
B
Could; couldn’t
C
Can; don’t
D
Can; couldn’t
I told Sally how to get here, but perhaps I ______for her.
#63022
A
had to write it out
B
must have written it out
C
should write it out
D
ought to have writte it out