B) Say if these sentences are type 0 (0) or Type 1 (1).

If the doctor thinks it's necessary, I'll have to have an operation.

if I have a toothache, I go to the dentist.

Soap dissolves if you leave it in water.

I'll tell you if I see Carla.

If you don't know the right spelling, look it up in a dictionary.

Pasta tastes awful if you let it boil for too long.

If you study hard, you'll get a certificate.

What will you do if there's nothing to watch on TV tonight?

She'll get angry if we don't invite her

If you go to London in August, it'll be hot.​