题目内容
10.We should wash ourhands ( hand ) before meals to keep healthy.分析 我们应该饭前洗手来保持健康
解答 答案是:hands 主语是we-我们,hand-手,是可数名词,洗手在通常情况下是洗两只手,故答案是 hands.
点评 可数名词一般情况下要么用单数,前面加冠词a,或用复数形式,后加词语的复数.当名词作定语时可以用单数形式.by hand等短语.
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