"I often feel a sudden fast heart beat when I’m idle." "You should stop your exercising and need______."

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问题 "I often feel a sudden fast heart beat when I’m idle." "You should stop your exercising and need______."

选项 A、to check your heart
B、to have your heart checked
C、to have checked your heart
D、to be checked your heart

答案B

解析 need在本句中作实义动词,后接动词不定式。have sth.done是一个常用的使动结构,该动作往往是请别人完成,如have one’s hair cut。
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