新概念英语第一册Lesson139~140课后答案

A

1 Yes, Graham Turner is speaking to John Smith.

2 Mary invited Mr. and Mrs. Turner to dinner.

3 Graham Turner said he would be there at six o'clock.

4 Because his boss wanted him to do some extra work.

5 No, he doesn't.

6 Mr. Turner's wife wants to know if Mary needs any help.

B

1 I want to know if you are late. Tell me if you are late.

I want to know why you are late. Tell me why you are late.

2 I want to know if you are dirty. Tell me if you are dirty.

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.

4 I want to know if Tom had a bath yesterday. Tell me if Tom had a bath yesterday.

I want to know when Tom had a bath yesterday.

Tell me when Tom had a bath yesterday.

新概念英语第一册Lesson141~142课后答案

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.

10 Someone told them. They were told this morning.

新概念英语第一册Lesson143~144课后答案

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.

C

1 It hasn't been aired yet. It will be aired tomorrow.

2 They haven't been cleaned yet. They will be cleaned tomorrow.

3 It hasn't been emptied yet. It will be emptied tomorrow.

4 It hasn't been sharpened yet. It will be sharpened tomorrow.

5 They haven't been turned on yet. They will be turned on tomorrow.

6 They haven't been watered yet. They will be watered tomorrow.

7 It hasn't been repaired yet. It will be repaired tomorrow.

8 It hasn't been dusted yet. It will be dusted tomorrow.

9 They haven't been corrected yet. They will be corrected tomorrow.

10 It hasn't been shut yet. It will be shut tomorrow.