【題目】 My father usually gets up _____six o'clock _____ the morning

A. in, on B. in, at C. at, in D. on, in

【答案】C

【解析】

試題分析：句意：我的爸爸通常在早晨六點鐘起床。在具體的時刻前用介詞at，在早晨用in the morning。故答案為C。

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