新概念英语第一册双数课答案

I want to know why you are dirty. Tell me why you are dirty. 3 I want to know if you are lazy. Tell me if you are lazy. I want to know why you are lazy. Tell me why you are lazy. 4 I want to know if you are busy. Tell me if you are busy. I want to know why you are busy. Tell me why you are busy. C

1 I want to know if you are writing. Tell me if you are writing. I want to know what you are writing. Tell me what you are writing. 2 I want to know if you are cooking. Tell me if you are cooking.

I want to know what you are cooking. Tell me what you are cooking. 3 I want to know if you are painting. Tell me if you are painting.

I want to know what you are painting. Tell me what you are painting. 4 I want to know if you are playing. Tell me if you are playing. I want to know what you are playing. Tell me what you are playing. D

1 I want to know if Tom got up early. Tell me if Tom got up early. I want to know when Tom got up. Tell me when Tom got up. 2 I want to know if Tom arrived late. Tell me if Tom arrived late. I want to know when Tom arrived. Tell me when Tom arrived.

3 I want to know if Tom did his homework yesterday. Tell me if Tom did his homework yesterday.

I want to know when Tom did his homework yesterday. Tell me when Tom did his homework yesterday. Lesson 142 A

1 Sally is four years old.

2 Because Sally had never travelled on a train before. 3 She sat near the window.

4 A middle-aged lady got on the train.

5 The lady was dressed in a blue coat and a large, funny hat. 6 She opened her handbag and took out her powder compact. Then she began to make up her face.

7 Because she wanted to make herself beautiful. 8 No, she didn't. B

1 Someone airs it regularly. It is aired regularly.

2 Someone cleans them regularly. They are cleaned regularly. 3 Someone empties it regularly. It is emptied regularly. 4 Someone sharpens it regularly. It is sharpened regularly.

5 Someone turns them on regularly. They are turned on regularly. 6 Someone waters them regularly. They are watered regularly. 7 Someone repairs it regularly. It is repaired regularly. 8 Someone dusts it regularly. It is dusted regularly.

9 Someone corrects them regularly. They are corrected regularly. 10 Someone shuts it regularly. It is shut regularly. C

1 Someone watered them. They were watered this morning. 2 Someone repaired it. It was repaired this morning.

3 Someone dusted it. It was dusted this morning.

4 Someone corrected them. They were corrected this morning. 5 Someone shut it. It was shut this morning.

6 Someone bought them. They were bought this morning. 7 Someone swept it. It was swept this morning.

8 Someone took them to school. They were taken to school this morning. 9 Someone met them at the station. They were met at the station this morning Lesson 144 A

1 The writer lives in a very old town which is surrounded by beautiful woods. 2 Because it is a famous beauty spot.

3 Visitors have been asked to keep the woods clean and tidy. 4 Litter baskets have been placed under the trees. 5 The writer went for a walk in the woods. 6 Yes, he saw a lot of rubbish.

7 He saw a sign among the rubbish.

8 The sign said, ‘Anyone who leaves litter in these woods will be prosecuted. B

1 Someone has aired it. It has already been aired.

2 Someone has cleaned them. They have already been cleaned. 3 Someone has emptied it. It has already been emptied. 4 Someone has sharpened it. It has already been sharpened.

5 Someone has turned them on. They have already been turned on. 6 Someone has bought them. They have already been bought. 7 Someone has swept it. It has already been swept.

8 Someone has taken them to school. They have already been taken to school. 9 Someone has invited them. They have already been invited. 10 Someone has told them. They have already been told