【題目】Professor Smith will come here to give a speech．All the preparations must be _____ before 5 o’clock．

A．in time B．in sight C．in place D．in control

【答案】C

【解析】

試題解析：A.in time及時 B.in sight在視野之內(nèi) C.in place在合適的地方 D.in control可控之內(nèi) 句意：史密斯教授將會來這兒做一次演講，所有的與會參加者必須在5點之前及時趕到。

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