-- 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
A hard-working man become a great scientist, but a great scientist be a hard-working man.
#74334
A
can’t; can
B
may not; can
C
can’t; must
D
may not; must
The driver tried everything he could think of, but the car just ______ not move.
#63267
A
should
B
might
C
must
D
would
According to the new traffic laws, people drive after drinking wine or beer.
#76219
A
mustn’t
B
won’t
C
needn't
D
may not
----Shall I go and buy more food and drinks for the party ?----- No, we have prepared a fridge of those.That ____ be quite enough.
#63095
A
can
B
may
C
might
D
ought to
---- It's so cold! Why are your windows still open? ---- Oh, they _______．
#63151
A
aren't closing
B
won't close
C
won't be closed
D
aren't closed