— Do you know where David is ? I couldn’t find him anywhere. — Well. He ______ have gone far –his coat’s still here. 
#90557
A
shouldn’t
B
mustn’t
C
can’t
D
wouldn’t
推荐题目
There is no light in the room.They ____asleep.
#90312
A
should have gone to
B
must be
C
could go
D
might be going
 My demand is that the information referred to in my report _____ to Mr. Brown without delay.
#89509
A
to be e-mailed
B
e-mailed
C
be e-mailed
D
being e-mailed
You had better not keep the window open , ____ ? 
#89743
A
will you
B
did you
C
had you
D
would you