Ответ:

2 The didn't went with your parents.They went with your grandparents.

3 They didn't wore their school uniform. They wore their casual clothes.

4 They didn't saw an exhibition about the ancient Greeks. They saw an exhibition about the ancient Egyptians.

5 Tom doesn't took his MP3 player with him. Tom took his digital camera.

6 Lucy doesn't bought a book from the gift shop.

Lucy bought some pencils.