问题描述：
一.下列这些句子对吗?打钩或打叉：
1.Only twenty percents of the apples are fresh.（）
2.How many times a month do you visit your grangmother?（）
二.I must take my medicine three times a day.(就three提问)
1.Only twenty percents of the apples are fresh.（）
2.How many times a month do you visit your grangmother?（）
二.I must take my medicine three times a day.(就three提问)
问题解答：
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