—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
________ I be free tomorrow, I would go with you.
#86549
A
Could
B
Should
C
Might
D
Must
The petrol tank is empty. I _________it up before we left home.
#86645
A
had to fill
B
would have filled
C
should have filled
D
could have filled
--- What        it be? --- It         be a man, for it is not moving. It      be a dustbin, I think.
#87983
A
can, may, must
B
can, can’t, must
C
can, must, can
D
may, may not, could