Exercise 3. Listen and choose the correct answer.

Alex and Sarah are talking about wasting water.

Alex: Well, water is a precious resource, and not everyone has easy access to clean water.

Sarah: You’re right.

Alex: Besides, saving water helps protect our rivers and lakes.

Sarah: I never thought about it that way. What can we do to save water?

Alex: Simple things like turning off the tap while brushing your teeth and taking a shower instead of using a bath.

Sarah: Those sound easy enough!

Alex: Although they are simple ways, they can make a big difference.

Sarah: Sure, I’ll start doing that. Thanks for the tip, Alex!

Alex: No problem!