改错 每题有一个错误今天就要答案

题目

改错 每题有一个错误今天就要答案
1 While in hospital,the doctor advised he would be operated on
2 I do not kown why he looked worry all day long
3He did not seen me for two years before he came to our city
4The young couple often quarrel for their family problems
5When he heard the news ,his face was turned form red to white
6Have you prepared you for the worst result of the exam
7Although we missed the film,but we felt very happy

答案

1.would-should
2. looked worry-has been looking worried
3.did not-had not seen
4.for-about
5.was turned-turned
6.第2个you-yourself
7.Although删去,或者but 删去