c

1.T

2.T

3.F

1.have just found

2.invented

3.has lost

2.devices

3.laboratory

4.hardware

5.software

6.equipment

1.using

2.to study

3.playing

4.to study

1.c

2.e

3.a

4.b

5.d

There are many ways you can make your life greener. Firstly, planting more trees and plants is a good way, it can clean our air. Secondly, you should turn off electrical devices when you do not use them to save the energy. Thirdly, you should use energy from renewable source such as the sun, wind and water. Living a green lifestyle is not difficult, but these small changes will make a big difference.

1. The rubbish in the neighbourhood is collected three times a week.

2. All the electrical devices in the house were turned off.

3. His music videos will be watched online by millions of people.