If no one ________the phone at home, ring me at work.
#52329
A
returns
B
replies
C
answers
D
receives
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—The food in that restaurant is delicious. I took lots of photos with my cell phone.—Really? Could you show ______ to me?
#52030
A
it
B
them
C
they
D
their
Pollution is a serious problem. Scientists have _____ some good ways to save it.
#54132
A
come up with
B
come on
C
come out
D
come up