—How often do you brush your teeth? —______
A.Twice a day.
B.Two teeth.
C.Yes, I do.
D.I brush.
A
A.Twice a day.
B.Two teeth.
C.Yes, I do.
D.I brush.
A
题干 / 阅读材料
答案解析
How often...? 询问频率，回答 Twice a day.（一天两次）。
—How often do you brush your teeth? —______ A.Twice a day. B.Two teeth. C.Yes, I do. D.I brush. A 学习记录
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