-- Are these _______ all from No. 2 Middle School? -- Yes. They often _________ their free time to help the old here.
#74662
A
volunteers; volunteers
B
volunteer; volunteers
C
volunteers; volunteer
D
volunteer; volunteer
推荐题目
----Mum, ____ I watch TV now? ----No, you ____. You _____ finish your homework first.
#77312
A
may; can’t; must
B
can; can’t; may
C
must; needn’t; must
D
may; mustn’t; can
You __ drive your car so fast. It's very dangerous.
#75401
A
wouldn't
B
shouldn't
C
couldn't
D
mightn't
________ you happen to see Mary, would you please ask her to come here?
#63165
A
Would
B
Could
C
Should
D
Might
Must we finish all the homework today or tomorrow? – You ____ worry about it. You may hand it in next week.
#74646
A
mustn’t
B
can’t
C
needn’t
D
shouldn’t