题目内容

5.cross,careful,when,the,be,street,you.
Be careful when you cross the street./When you cross the street,be careful..

分析 当你穿越街道时要小心.

解答 答案:Be careful when you cross the street./When you cross the street,be careful.依照提示可以推断语意与"小心过马路有关".祈使句是用来命令人做某件事,而开头的动词必须为动词原形;when(当的连接词)所引导时间状语从句的谓语指瞬发动作或持续性,时态和主句一致,而when引导的从句可放在主句前或主句后,若放在主句前,主从句之间要用逗号隔开.故答案为Be careful when you cross the street./When you cross the street,be careful.

点评 本题考查同学组合句子的能力,本题要特别注意祈使句以及when的用法,理解后,本题不难作答.

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