Lesson 1

Vocabulary

1. Complete the sentences using the words in the box.

1. We cannot continue to use petrol for cars because it is not sustainable.
2. We can use that bag again. It is reusable.
3. These energy-saving light bulbs use a lot less electricity than the ones we used to have.
4. Can I plug in these rechargeable batteries? I need to charge them.
5. This cup is made from a tall plant called a bamboo.
6. We should build a greener world where there is less pollution.

Language

2. Complete the sentences with used to or didn't use to and these verbs.

1. Ahmed didn't use to like Cheese, but he loves it now!

2. This building used to be white, before they painted it blue.

3. The Ancient Egyptians used to use a form of writing called hieroglyphics.

4. In some countries, it didn't use to rain in the summer as much as it does now.

5. My grandparents didn't use to send emails - they wrote letters.