----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
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  You didn ’ t let me drive. If we _____ in turn, you ______ so tired.
#89145
A
has left; comes  
B
drove; wouldn’t have got
C
were driving; wouldn’t get
D
had driven; wouldn’t have got