1. You can save the electricity by turn off the light when not using them

                                                                                         YOU don't use 

2. He will clean his house at 9 am tomorrow 

                                           at 9 o'clock                                        

3. My sister will be buying a house in the city centre next year

                                   buy

4. Thew will build a 5 stars hotel on this street

                                                     in

5. A solution for the environment problem will soon be finding by scientists.

                                                                                       find

Find and correct the mistake in each sentence.

1. You can save the electricity by turn off=>turnìng off the light when not using them

2. He will clean=>be cleaning his house at 9 am tomorrow 

3. My sister will be buying=>buy a house in the city centre next year

4. Thew will build a 5 stars hotel on=>in this street (hơi kì)

note: In the street trong cách dùng thông thường mang nghĩa giữa lòng đường trong khi On the street mang nghĩa bên lề đường, nơi đi bộ 

5. A solution for the environment problem will soon be finding=>found by scientists.

1 cannot => can

2 receive => to receive 

3 cooked => cook

4 can => can't

5 writes => write

Underline and correct the mistake in each sentence:

1. Robots  cannot=>can clean the floor.

2. My sister will be able receive =>to receive a schoolarship.

3. He coud cooked=>cook many delicious dishes.

4. Because he has a toothache, he can eat anything=>nothing.

5. She can speak English well, but she cannot writes=>write it.

EX14. Gạch chân đáp án đúng.

1. I can’t go to Berlin with you and your father can’t (either/ too).

2. I hardly skip breakfast and Jim (doesn’t skip breakfast either/ skips breakfast too).

3. We won’t go sailing tomorrow because of the storm and they (don’t/ won’t) either.

4. I want to be a famous actress in the future and my friemd Sarah (wants/ doesn’t want) it too.

5. They haven’t watched the movie yet and I (haven’t/ doesn’t have) either.

6. I will help my mom do the washing and my brother (will do it too/ don’t do it either).

7. My brother’s just got a new bike and I (have got a new bike too/ am got a new bike too).

8. For me, playing the piano is never easy and playing the guitar (is too/ isn’t either).

9. She is a warm-hearted person but her daughter (isn’t either/ isn’t).

10. Drinking alcohol is harmful to your body and eatung fast food (is harmful too/ isn’t harmful either).

Put the following words in the correct order to make meaningful sentences.

1. people/there/less/pollution/if/recycle/be/air/more/will//.

==>If people recycle less,there will be more air pollution.

2. solar energy/save/fossil fuels/resources/instead/we/of/natural/by/can/using//.

==>We can save natural resources by using solar energy instead of fosssil fuels.

3.should/amount/your/uses/the/you/of/family/reduce/electricity//.

==>You should reduce the amount of electricity your family uses.

4. brush/the dishes/off/you/or/wash/turn/when/your/the tap/teeth//.

==>Do you wash the dishes or brush your teeth when you turn off the tap?

5.recycle/material/save/students/they/if/energy/will/and/recycled/use//.

==>If students recycle material ,they will save energy and recycled use.

1. people/there/less/pollution/if/recycle/be/air/more/will/.

=> If more people recycle, there will be less air pollution.

2. solar energy/save/fossil fuels/resources/instead/we/of/natural/by/can/using/.

=> We can save natural resources by using solar energy instead of fossil fuels.

3. should/amount/your/uses/the/you/of/family/reduce/electricity/.

=> You should reduce the amount of electricity your family uses.

4. brush/the dishes/off/you/or/wash/turn/when/your/the tap/teeth/.

=> Turn off the tap when you brush your teeth or wash the dishes.

5. recycle/materials/save/students/they/if/enery/will/and/recycled/use/.

=> If students recycle and use recycled materials they will save energy.

I.Choose the correct word or phrase in each sentence.
1. This time next year my father (will work/ will be working) in the hydro power station.
A.will work B.will be working
2. Jane won’t be here this time tomorrow. She (will attend/ will be attending) the Conference on Green Energy.
A.will attend B.will be attending
3. My brother and I (will cycle/ will be cycled) to school to cut air pollution.
A.will cycle B.will be cycled
4. By the year 2020, people in my village (will use/ will be using) energy from the sun.
A.will use B.will be using
5. What (will we do/ will we be doing) to save electricity?
A.will we do B.will we be doing
6. What (will happen/ will be happened) to us when the non-renewable energy sources run out?
A.will happen B. will be happened
7. Wind power is a renewable source because it (can be replaced/ can replace) easily and quickly.
A.can be replaced B.can replace
8. The students in my school (will be put/ will be putting) low energy light bulbs in the school.
A.will be put B.will be putting
9. Alternative sources of energy (will be developed/ will develop) quickly.
A.will be developed B.will develop
10.The energy consumption (will be reduced/ will reduce) as much as possible.
A.will be reduced B.will reduce

deliverning->delivered

will be->was

play->playing

on->off

am->will be

Identify a mistake in each sentence and correct it :

1. Next week new glass will be installing in the windows to stop heat escaping .

will be installing -> will be installed

2. At this time in next two month , we are going to have a free solar panel .

are going to have -> will be having

3. They will be organized a workshop about clean and safe energy sources next Wednesday

Organized -> organizing

4. We will be replacing coal and natural gas for heating by solar energy at the end of next year .

Replacing -> replaced

5. Our house will provide with biogas and low energy light bulbs next month.

Provide -> be provided