资源看点：对所学基础知识进行分课练习，题型全面，同步实用。

Lesson 43

I. 用括号中所给词语的适当形式填空。

1. The printing press is an important _______________. (invent)

2. This kind of machine can make bread _____________. (quick)

3. Do you like to read the books _____________ by Bingxin? (write)

4. There are _____________ of workers in our factory. (thousand)

5. Please don’t keep the machine ___________ all the time. (run)

II. 根据句子意思和所给的首字母用适当的词语填空。

1. There are too many clothes in the shop. I really don’t know w________ one to choose.

2. If you don’t know the meaning, you can l__________ up in the dictionary.