More _____ satellites must be sent up _____ space.

A. man-made; into
B. manned-made; in
C. man-made; in
D. manned-made; into
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科目：初中英語 來源：期末題 題型：單選題

More _____ satellites must be sent up _____ space.
[     ]
A. man-made; into
B. manned-made; in
C. man-made; in
D. manned-made; into

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