Complete the gaps with to if necessary.

1.Sam went ______________ the party last weekend.
2.I could _____________ talk when I was three.
3.Mother wanted ____________ buy a teddy bear for me.
4. You must __________ study at school.
5. We should __________ help our parents.
6. They travelled __________ the USA last year.
7. She moved ___________ a new flat in 1995.
8. He sailed ___________ America many years ago.