根据汉语提示，用单词的正确形式填空。每空一词。

1. My brother enjoys ______ (观看) football matches very much.

2. What a heavy snow! Please put on your ______ (厚的) clothes.

3. Books will be replaced ______(被) computers, won't they?

4. One of her ______(牙齿) is bad.

5. Shall we go ______(楼下) to play chess?

6. I don't know ______(是否) she will come back or not this afternoon.

7. The ______(第九) module is the easiest of all.