【題目】Tom usually gets up _____ half past six _____ Saturday morning.

A. at, on B. at, in

C. for, in D. in, on

【答案】A

【解析】

試題分析：句意：湯姆在周六早晨6：30起床。在具體的某一個時刻用介詞at；在具體的某一天早晨用介詞on。故選A。

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