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
Thanks         questions.
#55072
A
for ask
B
to ask
C
to asking
D
for asking
Please ______the picture. What can you _____?
#61590
A
look at, see
B
see, look at
C
look, find
D
find, look at
They considered ______ a computer ,which was considered ______ a great help in their work.
#52417
A
to buy , to be
B
buying , being
C
to buy , being
D
buying , to be