题目内容：

词形变化

1.We will have a party to celebrate my grandfather’s _________(90) birthday tomorrow.

2.Don’t let your child play with _________(刀). It’s very dangerous (危险的).

3.Many college students think it’s exciting to work in IT ____________(公司).

4.How many ___________ (零) are there in this number?

5. _______ of Chinese are watching this play at this time. (百万)

6.The________(art) from Korea are very popular now.

7. Most people like drinking coffee in the _________(west) countries

8.The Oriental Pearl TV Tower in Shanghai is over 1000________(foot) tall.