句型转换。 1. His computer is expensive. My c

题目：

句型转换。

1. His computer is expensive. My computer is cheap.(合并为一句)  

His computer is _____ expensive than _____.

2. On Sunday the boy did his homework at home. He didn't go to the Internet bar.

(合并为一句)  

On Sunday the boy did his homework at home _____ going to the Internet bar.

3. I'm not good at fishing. He isn't good at it,either.(合并为一句)  

_____ _____ us is good at fishing.

4. Both my sister and I have been to the Great Wall.(改为否定句)  

_____my sister _____ I have been to the Creat Wall.

5. The teacher didn't do anything except writing some words on the blackboard.

(改为同义句)  

The teacher _____ _____but _____ some words on the blackboard.