题目内容
15.___ buy your ticket from a ticket machine.There are lots of people there.( )A. | Not | B. | not too | C. | Don't | D. | Don't to |
分析 不要从机器售票机里买票.那边有很多人.
解答 答案:C 祈使句是用来表示请求、命令、劝告或建议等语气的句子.它的主语多是You(通常不说出).祈使句的否定形式是在句子前面加don't,故答案为C.
点评 本题目主要结合祈使句的用法解答:
祈使句可分为肯定、否定两种形式.其中肯定形式的祈使句由动词原形开头,分两类;
1.连系动词+表语(如:形容词、名词等)引起.例如:Keep quiet!保持安静!Be a good student!要做一名好学生!
2.行为动词开头.例如:Open the door!打开门吧!Come here!到这儿来!否定形式的构成是一律在肯定形式的祈使句之前加上Don't.例如:Don't go there alone!不要一个人去那里. Don't be late forclass again!别再上课迟到.
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