照例子写句子 英语的 例子：must\you\in\laugh\library\the\not you mustn't laugh in the library
问题描述：
照例子写句子 英语的 例子：must\you\in\laugh\library\the\not you mustn't laugh in the library
1.finish\must\my\nine o'clock\I\before\homework
2.street\must\you\play\in\football\not\the
3.Sunday\you\the\in\must\compete\on\marathon\not
答
1.my homework must be finished before nine o'clock.我的家庭作业必须在9点之前完成2.you mustn't play football in the street,你不能在街上踢足球3.you must not compete the marathon on sunday.星期天你肯定完...