To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
#89113
A
could
B
might
C
would
D
must
推荐题目
Students ______ remain in their seats until all the exam papers have been collected.
#87735
A
must
B
shall
C
may
D
can
—Will you read me a story, Mummy? —OK. You _____ have one if you go to bed as soon as possible.
#86991
A
might
B
shall
C
could
D
must
Close the door of fear behind you, and you ____ the door of faith open before you.
#87267
A
saw
B
have seen
C
will see
D
are seeing
If you ________ yesterday，you ________ with your mother now.
#87090
A
set off; would talk
B
had set off; would be talking
C
set off; would have talked
D
had set off; would talk
He _____ without saying good-bye to them, for he always has good manners.
#90153
A
mustn’t have left
B
may not leave
C
shouldn’t have left
D
can’t have left