We _____ in this pool when we were young, but now it _____ fish.
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 |
We _____ in this pool when we were young, but now it _____ fish.
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 |