A

1, I have just come

2, I have just sold

3, She has just finished

4, I have just had

5, they have just moved

6, I have just bought

7, I have just had

B

1, Have you decided which one to buy yet?

2, I have explained this to you three times already.

3, Their baby son has started talking already.

4, Have you phoned Jane yet?

5, The game has not finished yet.

6, I have had lunch already.

7, He has spent all his money already.

C

1, Have you visited the Art Gallery?

2, I haven’t done that

3, Have you seen a play

4, I have booked a ticket

5, I have seen that play

6, I have read

7, they have made

8, They have not sold all the tickets.