1. The factory was built in a secret place, around ______ high mountains.
A. which was B. it was C. which were D. them were
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2. A man with a bleeding hand hurried in and asked, “Is there a hospital around ______ I can get some medicine for my wounded hand?”
A. that B. which C. where D. what
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3. _____ is known to everybody, the moon travels round the earth once every month.
A. It B. As C. That D. What