根据句意或句子的语法要求，用括号中所给单词的适当形式填空。

1. My grandpa likes ________ (chat) with his friends under the big tree.

2. —Would you like some bananas? —No, thanks. I ________ (eat) one already.

3. The style of this dress is popular, but I don't like ________ (it) colour.

4. What a ________ (snow) day! The ground is covered with snow everywhere.

5. July 1st is our Party's ________ (ninety) birthday this year. We Chinese people are going to celebrate it.

6. Beijing is one of ________ (beautiful) places in China, and I have been there twice.

7. ________ (lucky), they escaped from the burning building with the help of the firemen.

8. We ________ (ask) to help our parents do some housework every day.

魏源提出"师夷长技以制夷"，在他看来，夷之长技有（）

A.战舰

B.火器

C.养兵练兵之法

D.君主立宪政体