If the temperature ______below zero, the water __________.

If I _____  you, I ____ learn one more language.

If I ____ a chance to go abroad, I ____ Paris.

Choose the best answer.

If you spoke more slowly, he _____ you.

If the sea water continues to be polluted, many fish species ______ extinct.

I think you _____ regret if you _____ to give up hope. Fortunately, you did right thing.

If Tom ______ an alarm, the thieves wouldn't have broken into his house.

If local people drink this untreated water, they _______ have cholera.

The driver in front stopped so suddenly. Therefore, the accident happened.

If you want your tea sweeter, you _____ need to add some more milk or sugar.

I think that if you _____ in his shoes, you ______ in the same way.

We’ll get wet if we ______ out.

It was much colder than we had thought. _____ we had taken more warm clothes.

I would have crashed the car _____.

We're going to start painting the house tomorrow_____ it's not raining.  

If she _____ Chinese, I believe that she _____  it very well. However, she doesn’t pay any attention to it.