题目内容：

选词填空

从方框中选择正确的单词并用其适当形式完成下面的句子。

1.How many _______ are there in the factory?

2.Mr White often goes for a walk with his _________ dog.

3.Have you _________ dinner?

4.We like our Chinese teacher, so we listen to her lessons ________.

5.There are two books on the desk. One is mine, the other is ________.

6.October is the _________ month of a year.

7.If we don’t protect the environment, our future will be _______.

8.________ you for your help, it’s very kind of you.

9.We should stop the factory from ________ the river.

10.Paper________ by Cai Lun in Han Dynasty.