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
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Our government is taking action to improve the environment.
#54159
A
make…worse
B
make…better
C
make…different
D
make…the same
The old lady has a _______ time _______ clothes every day.
#60637
A
difficulty; to wash
B
difficulty; washing
C
difficult; to wash
D
difficult; washing