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His father is __________ engineer and he works __________ research.
#49406
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an, on
B
an, with
C
the , on
D
a, with
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---How is the weather in Xiamen?    ---Oh, it’s very hot ________ summer.
#48959
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on
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 —Linda, how is your classmate, Lisa? —She never says a bad word ________ her friends. She’s the kindest girl I’ve ever met.
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for
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—When is your birthday? —It’s ________ December 25th.
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at
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 John hit Jack ______ nose.
#49149
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on the
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I think it's better for supermarkets to provide children _____ a playroom
#49380
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with
B
to
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on
D
in