1)to visit Buckingham Palace 2)to see Nelson's Column 3)to watch animals in London Zoo...

Question

1)to visit Buckingham Palace
2)to see Nelson's Column
3)to watch animals in London Zoo
4)to send a letter to his parents
5)to buy some gifts for his parents
6)to feed birds on Trafalgar Square

Questions
1)Have you visited Buckingham Palace yet?
2)_______________________________
3)________________________________
4)__________________________________
5)_________________________________
6)___________________________________

Answers
1)(already) I have already visited it.
2)(yet)_________________________________
3)(just)_________________________________
4)(already)______________________________
5)(just)__________________________________
6)(yet)__________________________________

Answer 1

2)have you see  Nelson's Column?I have seen Nelson's Column yet
3)have you watch  animals in London Zoo? I just have watched animals in London Zoo
4)have  you send a letter to his parents? I have already sent a letter to his parents
5)have you bought some gifts for his parents? I have bought gifts for his parents
6)to feed birds on Trafalgar Square