摘要： Our physics teacher asked a difficult question, but we all could find the answer. A. work out B . catch up with C. look out D. come up with

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Our physics teacher asked a difficult question, but we all could find the answer．

A.
work out
B.
catch up with
C.
look out
D.
come up with

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"Our physics teacher asked a difficult question, but we all could find the answer."
The underlined word has the same meaning as the one in _______.

A. work out
B. catch up with
C. look out
D. come up with

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