Tom _____ full marks, but he was too careless and made a spelling mistake.
#86664
A
could gain
B
could have gained
C
must have gained
D
must gain
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