照例子写句子 英语的 例子：must\you\in\laugh\library\the\not you mustn't laugh in the library1.finish\must\my\nine o'clock\I\before\homework2.street\must\you\play\in\football\not\the3.Sunday\you\the\in\must\compete\on\marathon\not

My homework must be finished before nine o'clock.作业是被做，所以用被动语态。
You must not play football in the street.
You must not compete in the marethon on Sunday.
希望能采纳，谢谢。

1. My homework must finish before nine o'clock.
2. You mustn't play football in the street.
3. You mustn't compete in the marathon on Sunday.

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...

1、I must finish my homework before nine o'clock.
2 You must not play footable in the street.
3 You must not compete in marethon on Sunday.