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【单选题】

You can find out some information about animals_ _ the library, _ _ thezoo or _ _ TV.
[ ]

A.
on; in; on
B.
in; at; on
C.
in; in; at
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参考答案:
参考解析:
.
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举一反三

【单选题】—Could you tell me_____________?—Certainly. In half an hour.

A.
when the high speed train will arrive
B.
when the high speed train arrived
C.
if the high speed train has arrived