How kind you are ! You always do what you can ______ others .
#43094
A
help
B
helping
C
helps
D
to help
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---Lucy likes sports very much.---Yes, she is good ________ playing badminton.
#41317
A
at
B
for
C
in
D
To
I think these students should do ______ part in keeping the class-room clean.
#35756
A
my
B
her
C
their
D
our