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新概念第一册自学导读 Lessons127-128

2011-09-14来源:和谐英语

练习答案  Key to written exercises

Lesson 128

A

1  He has to be here at six o'clock.

2  I think he is probably busy.

3  He has to be at the office early tomorrow.

4  I think he is probably sleeping.

5  I think he is probably French.

6  He has to be in France next week.

7  I think he is probably an engineer.

B

1  I don't think so. She can't be Italian.

She must be Greek.

2  I don't think so. He can't be English.

He must be American.

3  I don't think so. They can't be Canadian.

They must be Australian.

4  I don't think so. He can't be a mechanic.

He must be an engineer.

5  I don't think so. He can't be a bus conductor.

He must be a bus driver.

6  I don't think so. He can't be a sales rep.

He must be the boss.

7  I don't think so. He can't be twenty-four.

He must be thirty.

8  I don't think so. They can't be five.

They must be seven.

9  I don't think so. He can't be seventy-six.

He must be over eighty.

10  I don't think so. She can't be fifty-five.

She must be under fifty.

11  I don't think so. It can't be the 21st today.

It must be the 20th.

12  I don't think so. It can't be Tuesday today.

It must be Wednesday.

13  I don't think so. It can't be the 2nd today.

It must be the 3rd.

14  I don't think so. It can't be cheap.

It must be expensive.

15  I don't think so. It can't be easy.

It must be difficult.

16  I don't think so. She can't be old.

She must be young.

17  I don't think so. They can't be early.

They must be late.

18  I don't think so. He can't be reading.

He must be sleeping.

19  I don't think so. They can't be listening to the radio.

They must be watching television.

20  I don't think so. She can't be retiring.

She must be looking for a new job.