根据句意和首字母或汉语提示，将单词的正确形式写在相应的横线上。1. You must stop s, nicotine (尼古丁) is bad for your health.2

根据句意和首字母或汉语提示，将单词的正确形式写在相应的横线上。
1. You must stop s , nicotine (尼古丁) is bad for your health.
2. The girl s a lot of time collecting stamps last year.
3. We were glad to celebrate our motherland, China’s s birthday on October 1st, 2009.
4. I like (土豆) a lot, and my mother usually cooks it in different ways.
5. Which are (重的), elephants or sheep?smoking

(答案→)smoking 解析：【小题1】考查固定搭配。stop doing sth停止做某事，你必须戒烟，尼古丁对健康有害。故填smoking。【小题2】考查固定搭配。Spend time doing sth花时间做某事，last year用过去时，故填spent。【小题3】考查序数词。几十的序数词是，变y为i加eth。故填sixtieth。【小题4】考查名词。potato土豆，以o结尾的，有生命的名词，复数加es。故填potatoes。【小题5】考查比较级。Or连接两个词表示对比，用比较级。故填heavier。

这个解释是对的

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