Complete the following sentences.

1. If you heat water, it ……………………

a) will evaporate
b) evaporates
c) Either could be used here

2. ……………… he is quite famous, he is very modest.

a) Though
b) Even if
c) As

3. If you are not careful, you ………………….. and fall.

a) will slip
b) would slip
c) had slipped

4. ………………. you heard them sing?

a) Has
b) Are
c) Have

5. There …………………… a thunderstorm last night.

a) is
b) was
c) has

6. Neither James nor Mark ……………… how to ride a bicycle.

a) know
b) knows
c) is knowing

7. He was not admitted ………………… he was underage.

a) though
b) because
c) when

8. Maria …………………. gymnastics.

a) does
b) has
c) do

9. You can’t go wrong ………………… you follow the instructions.

a) if
b) though
c) unless

10. There …………………. three windows in this room.

a) is
b) are
c) has

Answers

1. If you heat water, it will evaporate / evaporates.

2. Though he is quite famous, he is very modest.

3. If you are not careful, you will slip and fall.

4. Have you heard them sing?

5. There was a thunderstorm last night.

6. Neither James nor Mark knows how to ride a bicycle.

7. He was not admitted because he was underage.

8. Maria does gymnastics.

9. You can’t go wrong if you follow the instructions.

10. There are three windows in this room.