按要求改写下列句子.He had to go to the library.(改为一般疑问句)I have had to stay there for a week.(就＂for a week"提问)I have to go to the station early.(改为否定句)He must finish his homework.(就"finish his homework"提问)
问题描述：
按要求改写下列句子.
He had to go to the library.(改为一般疑问句)I have had to stay there for a week.(就＂for a week"提问)I have to go to the station early.(改为否定句)He must finish his homework.(就"finish his homework"提问)
答
1. Did he have to go to the library?
2. How long have you had to stay there?
3. I don't have to go to the station early.
4. What must he do?
答
He had to go to the library.(改为一般疑问句)
Did he have to go to the library?
I have had to stay there for a week.(就＂for a week"提问)
How long have you had to stay there?
I have to go to the station early.(改为否定句)
I don't have to go to the station early.
He must finish his homework.(就"finish his homework"提问)
What must he do?