Because of the high blood pressure, the doctor advised him to ______ from smoking.

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问题 Because of the high blood pressure, the doctor advised him to ______ from smoking.

选项 A、constrain
B、restrain
C、refrain
D、remain

答案C

解析 refrain意为“忍住,抑制,戒除”,是不及物动词,后面接宾语时要用介词from。restrain也有“抑制,制止”之意,但它是及物动词,后面直接跟宾语。constrain意为“强迫,迫使”,是及物动词,常用于constrain sb . to do sth.(强迫某人做某事)。remain为不及物动词,意为“保持(某种状态)”。
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