题目内容：

句型转换。

1.Don’t make the same mistake again.（同义句转换）

You ________ ________ ________ make the same mistake again.

2.I went to the forest alone because I didn’t want others to know it. (改为同义句)

I went to the forest alone because I wanted to ________ ________ _________.

3.The teachers often tell the students not to be careless. (改为祈使句)

________ ________ careless，boys and girls!

4.The dining hall was full of clouds of smoke.(改为同义句)

The dining hall was ________ ________ clouds of smoke.