Fill in the gaps in the sentences with the correct words. 

1. I can [[see]] the farmer in his field.

2. I love to play in the [[sea]] when I go on holiday to Spain.

3. Did you [[see]] that black bird fly high into the tree?

4. The water in the [[sea]] is very cold in the winter.

5. I went to [[see]] my oldest brother play football.

6. Tom quickly sank to the bottom of the [[sea]].