1. Don't press that button on the keyboard, or you'll lose what you've written.a. If you lose what you've written, you'll press that button on the keyboard.

b. You will lose what you've written if you will press that button on the keyboard.

c. You press that button on the keyboard if you press that button on the keyboard.

d. If you press that button on the keyboard you lose what you've written.

e. If you press that button on the keyboard, you'll lose what you've written.


2. Make a back-up copy of your work or you'll lose it.

a. If you make a back-up copy of your work, you will lose it.

b. You won't lose your work if you make a back-up copy of it.

c. If you will make a back-up copy of your work, you will lose it.

d. You will lose your work if you make a back-up copy of it.

e. You won't lose your work if you will make a back-up copy of it.

3. You can start looking at the next unit if you ___ Exercise 5.

a. have finished

b. finished

c. would finished

d. finishing

e. had finished

4. You don't believe in yourself. That's why you failed your driving test. If you were more self-confident, I'm sure you __.

a. would pass

b. pass

c. passed

d. had passed

e. were passing

5. Too bad I'm not there. If I were there, I ___ you.

a. will definitely helped

b. will definitely help

c. definitely helped

d. would definitely helped

e. would definitely help