----Look,Mr.Hu is on the other side of the street. ----It____ be him.He has gone to Lanzhou. 
#87934
A
mustn’t
B
can’t
C
wouldn’t
D
couldn’t
推荐题目
You look smart in this new jacket. That old one ______ thrown away many years ago.
#90305
A
ought to be
B
ought to have been
C
would be
D
would have been
— May I stop here? — No, you _____.
#90212
A
mustn’t
B
might not
C
needn’t
D
won’t
 He hesitated for a moment before kicking the ball; otherwise, he ___________ a goal.
#86590
A
would score
B
scored
C
would have scored
D
had scored