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VII. Choose the underlined part that needs correcting.
1. Solar energy needs to be converted into electricity after we can use it.
A. needs to be B. into C. after D. can use it

2. Will the climate still be in warming state after greenhouse emissions stopped?
A. still B. warming C. after D. stopped

3. When a species of plants or animals are in danger of extinction, it is gradually disappearing.
A. When B. species C. are D. it

4. Who is responsible when climate change harms the world’s the poorest countries?
A. is B. when C. harms D. the poorest

5. When fossil fuels are burnt, they released greenhouse gases - mostly carbon dioxide.
A. When B. burnt C. released D. mostly

6. We will contact the people in charge and will get back to you as soon as we could.
A. will contact B. will get back C. as soon as D. could

7. You will need to know your carbon footprint after you start reducing it.
A. need to know B. after C. reducing D. it

8. Technology has a long way to go before it could make a large impact in the atmosphere.
A. has B. to go C. it could make D. in

9. As soon as the snow will melt, spring wildflowers push their way up through the leaf litter.
A. As soon as B. will melt C. push D. litter

10. Single-use plastic products are thrown away immediately until they have served their purpose.
A. Single-use plastic B. away C. until D. their

VII. Complete the second sentences so that it has a similar meaning to the first one.
Tiếng Anh 9 - Ôn hè
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