Jack _______ swim when he was five years old.
#78233
A
can
B
could
C
may
D
must
推荐题目
—Look! A book is on the floor. Whose is it?—It ______be Rick's. It has his name on it.
#76529
A
mustn't
B
can't
C
must
D
need
It _____ last night., because the ground is all wet
#63480
A
should rain
B
should have rained
C
must rain
D
must have rained
Looking after very young children _____ be very annoying sometimes, but you’ll get used to it after a while.
#62887
A
must
B
should
C
shall
D
can
---Lucy doesn’t mind lending you her dictionary.---I think she doesn’t, but I ________do so. I’ve already borrowed one.
#74212
A
needn’t
B
mustn’t
C
can’t
D
shouldn’t