Question

Помогите!!!!
Choose the grammatically correct variant:
а) You can’t get a cash prize unless you get good results in your tests.
б) You can get a cash prize unless you get good results in your tests.
в) You didn’t get a cash prize unless you didn’t get good results in your tests.
г) You haven’t got a cash prize unless you get good results in your tests.

Answer 1

а) You can’t get a cash prize unless you get good results in your tests.