How often ___ your teeth examined?A.are

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问题 How often ___ your teeth examined?A.are you havingB.do you haveC.have you getD.you have

选项 A.are you having
B.do you have
C.have you get
D.you have

答案 B

解析 本题考查动词时态。题目意为“你多久检查一次牙齿?”应用一般现在时,have sth done表示让别人给自己做某事,选项A为正在进行时,选项C为现在完成时,选项D不是疑问句,错误。故选B。
  
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