A Grammar exercise

Unless you ............... harder, you won't be able to pass the test.
1. studied
2. study
3. had studied
If I were you, I ............................. so much wine.
1. wouldn't drink
2. won't drink
3. wouldn't have drunk
They are playing chess, ......................?
1. are they
2. aren't they
3. do they
You've got Peter's number, ........................?
1. have you
2. haven't you
3. don't you
She doesn't look happy, .................... ?
1. isn't she
2. doesn't she
3. does she
Don't cry, ....................?
1. will you
2. won't you
3. don't you
He .......................... to London in an hour.
1. is flying
2. flies
3. fly
He isn't ............................ to lift this suitcase.
1. enough strong
2. strong enough
3. too strong
There isn't .............................. in the car for seven people.
1. room enough
2. enough room
3. too much room
Books are .................................. than films.
1. more interesting
2. most interesting
3. are not interesting