题目内容
6.It's a good habit to brushteeth(tooth) three times a day.分析 翻译:一天刷三次牙是一个好习惯.
解答 tooth是一个名词,意思是牙齿,根据句意可知,这里表示的是刷牙的意思,应该用复数形式.它的复数是teeth,所以应填teeth.
点评 首先理解句意,然后根据所给单词的词性确定其形式即可.
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