5. Coal power plants are popular … cheap … they cause pollution.

Fill in the blanks using “and” or “, but”. (Điền vào chỗ trống sử dụng “and hoặc “, but”.)

1. Electric cars are clean , but they are expensive to buy.

2. Nuclear power can sometimes be dangerous … it's cheap to run.

3. Microwave ovens are cheap … they use less electricity than electric ovens.

Write sentences using the prompts. (Viết lại câu sử dụng gợi ý.)

1. Coal/ cheap/ easy/ use

4. Solar panels save money … they are clean.

Match the words with the pictures. (Nối từ với bức tranh tương ứng.)

In pairs: Make sentences about different types of transportation. Use the prompts. (Theo cặp: Viết câu về các loại phương tiện khác nhau sử dụng gợi ý.)