—Whose workbook is this, Tony?—Look! Ann's name is on it! It ______ be hers.
#74539
A
can't
B
must
C
may
D
mustn't
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