题目内容：

根据汉语意思完成句子。

1.你应该把教室打扫干净。

You should ________ ________the classroom.

2.你能帮我把那个包拿回来吗？

Could you help me________ ________the bag, please?

3.我已经弄清楚了怎么做蛋糕了。

I have ________ ________how to make cakes.

4.刚才英语老师把我们的试卷发还给我们了。

Our English teacher________ ________our papers to us just now.

5.我的话让我母亲感到不舒服。

What I said made my mother________ ________.