How often ___ your teeth examined?A.are you havingB.do you haveC.have you getD.you have
How often ___ your teeth examined?
A.are you having
B.do you have
C.have you get
D.you have
B.do you have
C.have you get
D.you have
参考解析
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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