按要求改写句子.He wrote a letter to his father last night.1.一般疑问句 2

1,Did he write a letter to his father last night?
2He didn't write a letter to his father last night.
3Didn't he write a letter to his father last night?
4He wrote a letter to his father last night,didn't he?
5A letter was writeen by him to his father last night.
6When did He write a letter to his father ?
7At last night,he write a letter to his father
8He is writting a letter to his father now
9He writes a letter to his father every day