【題目】I often play ____ tennis ____ Saturday morning.

A. /; on B. the; in C. /; in D. the; on

【答案】A

【解析】句意：我經(jīng)常在星期六上午打網(wǎng)球。play后跟球類名詞時，球類名詞前不加冠詞；在具體的某一天或具體的某一天的上午、下午或晚上用介詞on。

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