If you have something important to do, you ___ waste any time.
#89049
A
needn’t
B
mustn’t
C
may not
D
won’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
If I ______ten years younger, I _____ very happy.
#86935
A
am, would be
B
am, shall be
C
were, shall be
D
were, would be