We _____ in this pool when we were young, but now it _____ fish.
#59147
A
are used to swim; used to keep
B
are used to swimming; used to keep
C
used to swimming; is used to keep
D
used to swim; is used for keeping
推荐题目
Hurry up! The sky is covered with black clouds. I’m afraid it ______.
#52141
A
rains
B
is going to rain
C
rained
D
was raining
The girl in the classroom ______ be Maria. She called me from the library just now.
#52145
A
mustn't
B
may not
C
can't
D
needn't
