IV

1 He told me that he was a new student in that class

2 She asked me if she could do that work then

3 My father said that he was very tired and wanted to take a rest

4 Nancy said that she had to go to the bank

5 Long said that his uncle was a taxi-driver

6 I won't be given a pen by Minh

7 A birthday party will be held for me by my parents next Saturday

8 This cassette mustn't be used after 5:15 p.m

9 The first telephone was made a long time ago

10 An English speaking contest will be held next week

1 Billions of cans are thrown away every year all over the world

2 The glass is collected and sent to the factory

3 Will the new school be opened next year?

4 The living room is cleaned by his mother every day

5 A lot of used paper was collected last month

1 T

2 F

3 F

4 F

5 T

Mình làm rồi nhé

1 If people plant trees in the area, there will be no floods

2 If we recycle old newspapers, we will save a lot of labour and trees

3 Don’t throw plastic bags away because you can reuse them

4 Do you use reusable bags when you go shopping?

5 If the river is polluted, fish will die

6 If people cycle more, there will be less pollution

IX

1 Without doubt, people must stop over-exploiting, over-using and wasting energy sources right now

2 Humans will be treated by the environment in the way they have treated it

3 All the families with more than 2 children should be penalized by the government

4 How is over-population caused?

5 It is surprising that some European countries have to import trash from other countries to recycle

VIII

Is fossil fuel energy another name for non-renewable energy?

We are surprised at the new means of transport in the future.

It is undoubted that recycling is a very effective way to save energy.

The amount of energy consumption has kept increasing over the last few decades because of the sharp increase in the world population.

It is alarming that many people in undeveloped countries die every day because of starvation.

6 What is the distance between your house and the nearest market?

7 Although we lost the game, we were happy that we played well

8 We used to play these games when we were small

9 The teacher was not satisfied with his essay

10 This film was not interesting, was it?

VII

1 The power station will be rebuilt at the beginning of next year

2 They will put solar panels in the back yard next Saturday

3 At this time next week I will be with my brother in Son La Hydro Power Plant

4 We will take a test on sources of energy at 10 o’clock on Tuesday

5 Wind power will be being used at this time next year