资源看点：对所学知识进行分课练习，同步实用。

Lesson 13

I. 根据括号中所给的汉语用适当的词语填空。

1. Please keep ___________（安静）! They are studying now.

2. There are a lot of new ___________（单词）in that unit.

3. Li Ming, please put these __________（报纸）in the box.

4. Look at those ___________（婴儿）. They are laughing happily.

5. Wang Jun, can you ____________（加入）us in the game?

II. 根据句子意思用适当的介词填空。

1. Jenny, please give me two pieces __________ red paper.

2. Brian, can you play games_________ us after class?