1.riding a horse (cưỡi ngựa)

2.pedal a bicyle(đạp xe)

3.catches a taxi(bắt xe taxi)

4.solar-powered(năng lượng MT)

5.shortage(sự thiếu hụt)

6.install(cài đặt, lắp đặt)

7.limited(có giới hạn)

8.save energy(tiết kiệm năng lượng)

9.convert(chuyển đổi)

10.on his car(trên chiếc xe của anh ấy)

Xin 5*,ctlhn và mơn!

Ex3: Circle the best answer (A, B, C, or D ) to complete the sentences.
1. Look at the photo! You are ___________ a horse.  (driving / flying / riding / running)
2. It’s really difficult to __________ a bicycle up the hill. (sail / pedal / fly / catch)
3. My father sometimes _________ a taxi to work.  (catches / rides / floats / goes)
4. __________ ships use solar as their energy for sailing. (wind-powered / windy-power / solar-powered / wind)
5. There will be a __________ of energy in the future. (short / shortage / shorten / shortening)
6. We will _________ solar panels on the roof of our house next week. (install / placed / clean / buy)
7. We will cut down on the use of natural gas because it is _________ and harmful to the environment. (plenty / limited /  available / abundant)
8. Lower energy light bulbs should be used to _________ energy. (spend / convert / buy / save)
9. Solar panels are used to __________ the sun’s energy into electricity. (generate / convert / save / use)
10. He is a careless driver, so I don’t like to travel _________ his car.  (by / in / on / with)