1 B

2 A

3 C

4 D

5 C

1 A

2 C

3 D

4 D

5 D

13 Biogas will be being used for cooking and heating at this time next month

14 Fossil fuels won't be burned for energy in the future

15 Electricity will be being provided this time next year

16 The tax on petrol will be increased to 15% next September

17 Ordinary 100-watt light bulbs will be replaced with energy-saving ones

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

8 We will take a test on sources of energy at 10 o'clock on Tuesday

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

10 Solar panels will be installed on the roof of our house next week

11 The film on types of future energy sources won't be shown next Friday

12 The old thermal power plant will be destroyed at the end of this year

1 You should start running to see if that helps you to lose weight

2 Although it is very noisy in the city, we enjoy living there

3 These pictures are ours

4 Is the motorbike that you have black, Peter?

5 That invention is not his

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

Mình làm rồi nhé

74 B

75 A

76 C

77 C

78 C

66 A

67 A

68 A

69 D

70 B

71 C

72 C

73 A

1 Brown drives to work

2 Where does Tom come from?

3 What’s wrong with this TV?

4 Are there twenty classes in Ha’s school?

5 Ha has two older sisters

6 He goes to school on foot everyday

13 A

14 D

15 D

16 B

17 A