Unit 7 : Saving energy

13C

14B

15C

C

B

C

7C

8A

9B

10B

11C

12D

1. D

2. B

3. D

4. B

5. B

6. B

1. Turn on (please+Vo)

2. Turned / off (was chia qk)

3. Look for

4. Got up (because S+ had+V3/ed, S+V2/ed)

5. Ran into( hai hd lien tiep)

6. Goes on (after S+V2/ed, S+Vht)

1. However => Therefore

2. so => but

3. and => but

4. and => but

5. Because => Therefore

6. or => because

7. or => but

8. and => or

9. but => or

10. so => because

Things to do:

1. recycle old stuff

2. Limit the use of plastic bags

3.Do not litter in public places

4. Use energy saving: heat,...

5. Apply the 3R . principle

20. Did you have your sister do the homework for you?

21. Did you have the homework done by your sister?

22. I am having the hole in the roof fixxed today.

23. We have our hair cut by a famous hairdresser every month.

24. Tom had his house broken into last week.

25. The internet is used as a means of education.

26. If we use solar energy, we can save natural resources.

1. They continued to work until they are exhausted.

-> They went on working until they were exhausted .

2. I'm afraid that we haven't got any eggs left.

-> I'm afraid that we have no egg at all .

3. Thuy is responsible for taking care of her little brother.

-> Looking after her sister is Hoa's reponsibility . 

4. It's Alice's job to look after the new staff.

-> Alice is responsible for looking after the new staff .

5. Carol finds it easy to make friends.

-> Carol has no prolem in making friends .