If you don't put so much sugar in your coffee, you ________ so much weight!
Correct! The main clause has WILL.
won't put on
don't put on
She ________ completely different if she cuts her hair.
Correct! In this sentence, the main clause comes first, so this verb should take "will".
will look
looks
You ________ better if you turn on the lamp.
Correct! This is a little more difficult because the verb includes "be able to", but it's still WILL + simple form.
will be able to see
are able to see
You won't pass the course if you ________.
Correct! This is the "if" clause, so we use the simple present.
don't study
won't study
You'll pay higher insurance if you ________ a sports car.
Correct! The verb in the "if" clause should be in the simple present tense.
buy
will buy
f a deer ________ into your garden, it ________ all your plants.
Correct!
gets / will eat
will get / eats
If you ________ an apple every day, you'll be very healthy.
Correct! The verb in the "if" clause should be in the simple present tense.
will eat
eat
You ________ heart disease if you eat too much meat.
Correct! WILL is used in the main clause.
get
will get
If I ________ some eggs, how many ________?
Correct!
cook / will you eat
will cook / do you eat
If we don't protect the elephant, it ________ extinct.
Correct! The verb in the main clause takes "will".
becomes
will become
Молодец справился
Correct! The main clause has WILL.