—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
These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China's nuclear, missile and so on.
#89859
A
would have been unthinkable
B
would not be unthinkable
C
would be unthinkable
D
would not have been unthinkable
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