【題目】【北京市2015年中考英語(yǔ)試題】We usually have the first class ____ 8:00 in the morning.

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

【答案】D

【解析】

試題分析：句意：我們通常在上午八點(diǎn)上第一節(jié)課。與時(shí)間連用的介詞主要有：at,in,on.。at主要和表示時(shí)間點(diǎn)的詞連用；in主要和表示一段時(shí)間的詞連用；on主要和星期幾，具體的一天，具體一天的上下午晚上，有天氣修飾的時(shí)間連用。根據(jù)該句指時(shí)間點(diǎn)，故選D。

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