题目内容
Brush ([br
] vt. 刷) your ______ before you go
to bed every evening.
[ ]
A. tooth B. teeth C. tooths D. toothes
答案：B
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题目内容
Brush ([br ] vt. 刷) your ______ before you go
to bed every evening.
[ ]
A. tooth B. teeth C. tooths D. toothes