Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.
#62205
A
shall
B
must
C
may
D
will
推荐题目
 —________I complete so much my homework now?— No, you ________.You can do it after supper.
#74934
A
May; ought not to
B
Should; can’t
C
Can; mustn’t
D
Must; needn’t
You _________ to the meeting this afternoon if you have something important to do . 
#76135
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come