Question

短文改错

It was quiet late at night. I was reading a newspaper in my room when i hear someone knocking on the door .I opended it and saw a young man with glass standing there. He said that he was a firend of my sister and wanted to have a talk with her. I wondered that my sister had such a friend but had to let him in
AS he talked ,I found that he knew nothing my sister .Then I came to know that his words were no ture.Suddenly my sister rushed in and the young man was so surprised when he didn't knew what to do for a moment . I caught the man by the arm at once while my sister sent for a police man

Answer 1

更正在括号中标明！

It was【quite】late at night. I was reading a newspaper in my room when I 【heard】 someone knocking on the door. I opended it and saw a young man with 【glasses】 standing there. He said that he was a firend of my 【sister's】 and wanted to have a talk with her. I wondered 【if/whether】 my sister had such a friend but 【I】had to let him in.
As he talked, I found that he knew nothing 【about】my sister.Then I came to know that his words were【not】true. Suddenly my sister rushed in and the young man was so surprised 【that】he didn't knew what to do for a moment. I caught the man by the arm at once while my sister sent for a policeman.

Answer 2

a young man with glass---a young man with glasses;
a firend of my sister---a firend of my sister's;
and wanted to have a talk with her---and that he wanted to have a talk with her;
I wondered that ---I wondered whether;
but had to let him in---but I had to let him in;
he knew nothing my sister---he knew nothing about my sister;
no ture---not true(no只能接名词，不能接形容词）;
when ---that (这里是个so...that...短语);
a police man---a policeman.

Answer 3

1.正确
2.hear改成heard（时态是一般过去时）
3.glass改成glasses（眼镜是复数）
4.sister改成sister's（所有格）
5.把that改成whether（考查wonder的用法）
6.but had to ---but I had to （but分句缺少主语，加I)
7.knew nothing my sister--knew nothing about my sister（know about的搭配）
8.no改成not
9.when改成that（so+形容词.that+从句的用法 意思是：如此...以致...）
10.sent for--sent him for