I brush my teeth twice a day对twice提问_____ _____ _____ do you _____your teeth a day?

问题描述:

I brush my teeth twice a day
对twice提问
_____ _____ _____ do you _____your teeth a day?

给个采纳吧how many times do you brush your teeth a day

I brush my teeth (twice) a day.
(How many times) do you (clean) your teeth a day?
你一天刷几次牙?
how many times用于对次数提问.