9． This ____________(invent) took him many years．

8． My cousin is very lazy． When his mother asks him to do some housework, he’s

　always ________( active )

7． The old lady couldn’t remember the 　　　　(postman) name but she was really

　grateful to him．

6． It is _______(wise) of you to wait for a few days than to buy the house in a hurry．

5． The whole class is___　　　 　(分成)into four groups．

(B)根据句意，用括号内所给单词的适当形式填空。

4． Boys and girls may behave ______　　 　(不同)．

3． In our school, there three big _____　　 (实验室)on the first floor in Building A．

2． France is good at making good ______　 　(酒)．

(A)根据句意和汉语注释，写出单词的正确形式。

1． I have never seen such an _________(丑陋)building in a modern city．