【題目】 Jim often goes to school 7:00 the morning.

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

【答案】B

【解析】

試題分析：句意：Jim經(jīng)常在早上7點(diǎn)去上學(xué)。at在具體的時刻；on用于具體某一天的前面；in在上午、下午或晚上。at 7:00在7點(diǎn)；in the morning在早上。故選B。

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