Grade 7: Unit 10 - Multiple choice

Câu 1. The wind, the sun, and the wave are some types of __________ sources of energy.

• A. changeable
• B. alternative
• C. cheap
• D. costly

Câu 2. Remember to __________ the lights before going to bed.

• A. turn
• B. turn on
• C. turn off
• D. stop

Câu 3. People will reduce energy __________ as much as possible.

• A. consume
• B. consumption
• C. expense
• D. expenses

Câu 4. Nuclear power is expensive and dangerous __________ our environment.

• A. for
• B. to
• C. in
• D. with

Câu 5. Human is looking for a clean, cheap and __________ sources of energy.

• A. effective
• B. effect
• C. effectively
• D. effectiveness

Câu 6. Low energy light bulbs should be used to __________ electricity.

• A. spend
• B. buy
• C. convert
• D. save

Câu 7. We must __________ the amount of water our family used every day.

• A. lower
• B. reduce
• C. lessen
• D. narrow

Câu 8. At this time next month we __________ to Ha Long Bay for a holiday.

• A. will go
• B. will going
• C. will be gone
• D. will be going

Câu 9. By the middle of the 21st century, people in developing countries __________ more renewable energy.

• A. uses
• B. will be using
• C. used
• D. have

Câu 10. Fossil fuels are very common in our society but they __________ the environment.

• A. renew
• B. provide
• C. waste
• D. pollute