5个句子 25分

1Surprised to hear the voice, the man turned.
2This is what I used.
3He built a telescope which he could study the sky.
4
If you really like the T-shirt,why not buy it ?
5The big family has a small house to live in.

6． Surprised (heard,听到后的反应嘛！) the voice,the man turned.
7． This is what I am used(using).
8． He built a telescope （增加with或者By）which he could study the skies.
9． If you really like the T-shirt,why not （to去掉，这种否定＋启示句使用原形动词） buy it ?
10． The big family has(改成have，除非一个家庭孤身一人，形影相吊了) a small house to live.

1Surprised to hear the voice, the man turned.
2This is what I used. 不用被动
3He built a telescope which he could study the sky.
4If you really like the T-shirt,why not buy it ?
5The big family has a small house to live in. 掉了介词

Surprised to hear the voice, the man turned. 加TO

This is what i use. 不能用被动 去掉AM 和 D

He built a telescope which he could study the sky. SKY是单数<