--- Do we have to hand in our research reports this afternoon, Professor Smith?--- Yes, you _______ . I will be waiting to check them all the afternoon.
#62581
A
should
B
may
C
can
D
must
推荐题目
–Mum, must I wash the dishes right now? –No, you______.
#74823
A
shouldn’t
B
wouldn’t
C
mustn’t
D
needn’t
 -- 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