1 Jenny has locked the door

2 Walter has called us

3 You have seen the picture

4 Your parents have got the letter

5 It has rained a lot

6 How often have we sung the song?

7 Maureen has watched the film

8 How many books has Bob read?

9 Have you ever been to London?

1 No, I haven't chosen a new mobile yet

2 Yes, I have already booked my trip to London

3 Yes, I have just recorded a new song

4 No, I have never been to Paris

5 No, I haven't found a new flat yet

6 Yes, I have just attended this exhibition

7 No, I have never driven a car

8 Yes, I have already written a report

6 We have never travelled by plane

7 Liz has never booked a trip to Morocco

8 Has Tom ever cooked lunch?

9 They have never flown in the helicopter

1 I have never been to London

2 Have you ever seen the Eiffel Tower?

3 I have never skated on the skating-rink

4 Sam has never been to a football match

5 Have you ever flown to Madrid?

13 for

14 for

15 since

16 for

17 since

18 for

7 for

8 for

9 since

10 since

11 for

12 since

Bài 3

1 for

2 since

3 for

4 since

5 for

6 since

6 I have just bought a new mobile

7 Bob has just found a new article

8 Liz has just gotten the driver's license

9 We have just read about New York.

1 They have just gone to the cinema

2 Kate has just met her friend

3 She has just invited her friends to the party

4 They have just finished their English test

5 Bill has just sent an e-mail to his parents

I have already sent an SMS to my friend

Tim hasn't been at the concert yet

She has already read an interesting article

They haven't invited their neighbours yet