1 . It is a traditional c______ for Chinese old people to live with their children and their grandchildren. (根据首字母单词拼写)

2 . They were forced to leave their homeland during the c________(国内的) war. (根据中英文提示填空)

3 . She began a c________(运动) for a cleaner environment by writing a letter to the mayor. (根据中英文提示填空)

4 . The Big Bang Theory is a highly successful TV c________(喜剧). (根据中英文提示填空)

5 . It ________________ (使迷惑) scientists how these creatures can survive in such tough conditions. (根据汉语提示单词拼写)

6 . Research has ________________ (确认) that the risk is higher for women. (根据汉语提示单词拼写)

7 . Will it be ________ for you to chat with me on the Internet tonight?

A．convenient

B．effective

C．unusual

D．rude

9 . To charge admission to church services would be to ______(commercial) religion. (用所给词的适当形式填空)

10 . I don’t feel c______ of remembering the sentence till I fully understand it. (根据首字母单词拼写)