X. Based on the context, make conditional sentences type 2 from the clues.

1. My home hasn’t installed a solar water heater. If/ my home/ install/ a solar water heater/ we/ save a lot of energy.

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2. Not all households in Viet Nam turn off lights during the Earth Hour. If/ all households/ Viet Nam/ turn off lights/ the Earth Hour/ we/ save/ enough electricity/ develop our rural areas.

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3. Some students in our school still throw litter on the school ground. If/ students/ our school/ not throw litter/ the school ground/ our campus/ look/ greener/ fresher.

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4. People use aluminum cans instead of glass bottles. If/ people/ use/ glass/ bottles/ they/ use/ again and again.

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5. Our school ground is large but we don’t have a wind turbine. If/ we/ install/ a wind turbine/ our school/ become/ more eco-friendly.

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6. People don’t use organic fertilizers. If/ people/ use/ organic fertilizers/ they/ prevent/ land pollution.

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7. A large number of people ride their motorbike to work. If/ people/ ride/ bikes/ they/ keep/ air/ less polluted.

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8. That factory doesn’t have a wastewater treatment system. If/ that factory/ have/ wastewater treatment system/ river/ not become/ so polluted.

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