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Practice
Fill in the blanks to complete the table.
| Structure | Example | |
| (+) | S + to be + V-ing. | She doing a project now. |
| (-) | S + to be + not + . |
She isn't doing a project now. |
| (?) | To be + S + V-ing? | Is she a project now? |
Note:
| I | : |
| He/She/It/N(sing/unc) | : is |
| You/We/They/N(plu) | : are |
(Kéo thả hoặc click vào để điền)
Choose the correct answer.
Governments __________ environmentally friendly energy sources this year.
Choose the correct answer.
Scientists ___________ ways to improve biomass energy production at the moment.
Choose the correct answer.
We _____________ the environment by using renewable energy sources right now.
Choose the correct answer.
Factories __________ outdated technology to generate energy this year.
Choose the correct answer.
___ the government __________ policies to encourage the use of clean energy?
Choose the correct answer.
What ____ businesses _______ to reduce their carbon footprint at present?
Write the correct form of the verbs in brackets. Use the present simple or present continuous.
We our energy consumption by turning off the lights when we leave the room. (reduce)
We our energy consumption by using LED bulbs in our homes this year. (reduce)
Write the correct form of the verbs in brackets. Use the present simple or present continuous.
They a more effective way currently to produce energy from ocean waves currently. (develop)
Companies new technologies to improve the efficiency of renewable energy sources every year. (develop)
Write the correct form of the verbs in brackets. Use the present simple or present continuous.
Businesses often energy-efficient devices to reduce their electricity bills. (install)
The energy company a new power plant that uses natural gas this month. (install)
Choose the correct answer.
I
- wears
- is wearing
- wear
- am wearing
I
- am not believing
- doesn't believe
- don't believe
- are not believe
It often
- rains
- rain
- is raining
- doesn't raining
- doesn't rain
- aren't raining
- isn't raining
Choose the correct answer.
Is she OK? She
- looks
- is look
- looking
- is looking
- Are you playing
- Are you play
- Do you playing
- Do you play
Normally I
- finish
- finishes
- am finishing
- am finish
- working
- am working
- am work
- work
Find and correct one mistake in each sentence.
Are you practice the piano for two hours every day?
Our teacher usually teaches us, but today Mrs. Lien is do that.
Find and correct one mistake in each sentence.
What are you look at? - There's a crazy man shouting in the street!
Yuk! Your room is smelling awful! Open the window!
Choose the correct sentence using the words given.
Alan / always / drink / orange juice / the morning, / but / today / he / drink / coffee.
Choose the correct sentence using the words given.
We / currently / install / new wind turbine / produce / more / renewable energy.
Choose the correct sentence using the words given.
Scientists / study / new ways / produce / energy / without / pollute / environment / now.
Write a question for the underlined part.
My teacher is writing some examples on the board.
→ some examples on the board?
Write a question for the underlined part.
Yes, these plants often pollute the air and water around them.
→ the air and water around them?
Write a question for the underlined part.
Geothermal power plants use the earth's natural heat to produce energy.
→ to produce energy?
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