—Do you know where David is? I can’t find him anywhere.—Well . He          have gone far— his coat’s still here. 
#87464
A
shouldn’t
B
mustn’t
C
can’t
D
wouldn’t
推荐题目
If I _________ ten years younger, I _________very happy.
#87082
A
were; would be
B
am; shall be
C
were; shall be
D
am; would be
 —It was cold and the road was icy. —It          a comfortable journey.
#87692
A
can’t be
B
shouldn’t be
C
mustn’t have been
D
couldn’t have been
The poor boy    the test again; in that case, his mother will be very disappointed.
#88223
A
must have failed
B
might fail
C
could have failed
D
should fail