If you leave milk out of the fridge, it ____ bad.
- A. goes(correct answer)
- B. went
- C. going
- D. go
Why: This happens every time: present simple. It goes.
B114 questions · Intermediate · Conditionals and Hypothetical Language
Zero Conditional and Unless Exercises with Answers
Practise the zero conditional for facts and habits, instructions with if, unless for if not, and choosing between the zero and first conditional. Answers and short explanations included.
14 questions
Sample questions with answers
We'll miss the start of the film ____ we leave now.
- A. unless(correct answer)
- B. if
- C. when
- D. but
Why: If we don't leave now, we'll miss it. If not = unless.
Unless you ____ a ticket, you can't get on the train.
- A. have(correct answer)
- B. don't have
- C. will have
- D. had
Why: Unless already means not. Use a positive present simple verb.
Lessons on this topic
- Zero Conditional and Unless
The zero conditional uses the present simple in both clauses for things that always happen. Unless means if not. How it differs from the first conditional.
