新概念英语第一册自学导读 Lessons125-126(2)

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?