新概念英语第一册课后题及答案：Lesson125-126
Written exercises 书面练习 A Write questions and answers.
抄写以下句子，然后提问并写出相对应的否定句。 Examples：
You have to leave early. Do you have to leave early? You don't have to leave early. She must leave early. Must she leave early? She needn't leave early.
1 She has to decide immediately. 2 She must decide immediately. 3 We have to take a taxi. 4 We must take a taxi. B Answer these questions. 用have to或has to回答问题。 Example：
I must go now. What about you? I have to go, too.
1 I must telephone him. What about you? 2 I must wait for him. What about Mary? 3 I must meet her. What about Jim?
4 I must travel by ship. What about Tom and Mary? C Write questions. 模仿例句改写提问。 Example： I must go now.
Do you really have to go now? 1 I must telephone him. 2 Mary must wait for him. 3 Jim must meet her.
4 Tom and Mary must travel by ship. 答案： Lesson126 A
1 Does she have to decide immediately? She doesn't have to decide immediately.
2 Must she decide immediately? She needn't decide immediately.
3 Do we have to take a taxi? We don't have to take a taxi. 4 Must we take a taxi? We needn't take a taxi.
B
1 I have to telephone him, too. 2 Mary has to wait for him, too. 3 Jim has to meet her, too.
4 Tom and Mary have to travel by ship, too. C
1 Do you really have to telephone him? 2 Does Mary really have to wait for him? 3 Does Jim really have to meet her?
4 Do Tom and Mary really have to travel by ship?
新概念英语第一册课后题及答案：Lesson125-126
