改一下这些句子的错,谢谢啊 很急啊

改一下这些句子的错,谢谢啊 很急啊帮忙找一下这些句子的错 1Chinese is difficult to learn for an African of an European. 2. Igot my wages（工资）every week while he was paid by day.3. No one but Peter and Mike have finished reading the novel.4.A man was killed in the house and the police is now looking into the matter.5. He found his trousers on the line was missing.原因大概写一下好了,急用啊~~~