Choose the correct variant 1)If we don`t use/didn`t use alternative sources of energy...

Question

Choose the correct variant
1)If we don`t use/didn`t use alternative sources of energy more, we will destroy the plnet?
2)Mary has had/was having an interest in tennis since she was a young girl?
3)Will/are you going to watch the film tonigh?

Answer 1

1 don’t use
2 has had
3 are you going to watch