1. We shouldn’t throw trash___ the water A.up B.onto C.in D.at 2. if we plant more trees, we___ Reduce amount of pollution in the atmosphere A. Reduce B. Reduced C. Will reduce D. Would reduce 3. ___means a piece of land full of rubbish. A. Junk-yard B. Treasure. C. Hedge. D. Stream. 4. We should make our world___ A. Unpolluted. B. Polluted. C. Pollution. D. Unpollution. 5. “He suggested fixing the dripping faucet” “___” A. We will. B. Good idea. C. Yes please. D. I’m afraid not. 6. Don’t forgot___ off the gas stove before going out A. Turn. B. Turning. C. To turn. D. Turned 7. We’d better get___ to make sure there are no cracks in the pipes A. A plumber B. A mechanic. C. An electrician D. A consumer. 8. In winter, heating___ for 50 percent of our electricity bill A. Takes. B. Occupies C. Costs D. Account. 9. Scientists are looking for an___ way to reduce energy consumption A. Effect. B. Effection C. Effective. D. Effectively.
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1, If we plant more trees, the air will be fresher.
2, If we use fewer cars, we will reduce pollution.
1. we will plant more trees. The air will be fresher.
=> If we plant more trees, the air will be fresher.
2. WE will use fewer cars. WE will reduce pollution.
=> If we use fewer cars, we will reduce pollution.
If we plant more trees, the air will be fresher
If we use fewer cars, we will reduce pollution
If we cycle to school every day, we will keep fitter
If we use recycled products, we will save money
If people throw rubbish into the right bin, they will keep the environment clean
If we turn off the tap when brushing the teeth, we will save a lot of water
If people travel more by public transport, the harmful gases in big cities will be reduced
If we start at six, we will arrive there before noon
If the boy eats so may green apples, he will be ill
If we use reusable bags for shopping, we will reduce waste
1.We will plant more trees. The air will be fresh.
If We plant more trees, the air will be fresh.
2.We will use fewer cars. We will reduce pollution.
If we use fewer cars, we will reduce pollution.
3. We will cycle to school every day.We will keep fitter.
If we cycle to school every day, we will keep fitter.
4. We will use recycled products. We will save money.
If we use recycled products, we will save money.
5. People will travel more by public transport. The harmful gases in big cities will be reduced.
If People travel more by public transport, the harmful gases in big cities will be reduced.
1. If we plant more trees, the air will be fresh.
2. If we use fewer cars, we will reduce pollution.
3. If we cycle to school every day, we will keep fitter.
4. If we use recycled products, we will save money.
5. If people travel more by public transport, the harmful gases in big cities will be reduced.
1. we will plant more trees. The air will be fresher.
=> If we plant more trees, the air will be fresher.
2. WE will use fewer cars. WE will reduce pollution.
=> If we use fewer cars, we will reduce pollution.
3. WE will cycle to school every day. We will keep fitter.
=> If we cycle to school everyday, we will keep fitter.
4. We will use recyled products. We will save money.
=> If we use recyled products, we will save money.
5. People will throw rubbish into the right bin. They will keep the environment.
=> If people throw rubbish into the right bin, they will keep the environment.
1. we will plant more trees. The air will be fresher.
=> If................we plant more trees, the air will be fresher.....
2. WE will use fewer cars. WE will reduce pollution.
=> If................we use fewer cars, we will reduce pollution.............
3. WE will cycle to school every day. We will keep fitter.
=> If.............we cycle to school every day, we will keep fitter.........
4. We will use recyled products. We will save money.
=> If...............we use recycled products, we will save money...........
5. People will throw rubbish into the right bin. They will keep the environment.
=> If...........people throw rubbish into the right bin, they will keep the environment..............
1. If we plant more trees, we .....WILL NOT SUFFER....... ( not suffer ) from air pollution.
2. If she .....USES.....(use) a reusable box, she will help the environment.
3. What items.....ARE........(be) the recycled one ?
4. ........DO NOT PUT.......(Not put ) plastic cups in recycling bins.
5. They should ......REDUCE........(reduce ) the smoke by taking a bus
2. I think we should __( collect/send/burn/litter) trash to reduce the amount of garbage we produce a day.
8. We can reduce water pollution by not throwing trash _(onto/into/to/at) the water.
1, Yes, it is
2, We shouldn't throw trash into the rivers and lake to keep the water unpolluted
END. 
1. Yes, it is.
2. We shouldn't throw trash into the the rivers and the lake to keep the water unnpolluted.
GOOD LUCK !
V. Each sentence belows contains an error. Underline it and write the correct answer in the space provided.
1. If we will cycle -> cycle more, we will reduce air pollution.
2. My brother can't swim, so he afraid -> afraids of water.
3. Not -> Don't eat too much salt because it is not good for you.
4. They won't going -> go to the Time Square to welcome the New Year.
5. You should always to tell -> tell an aldult where you are going.
1. C
2. C
3. A
4. A
5.C
6. C
7. A
8. D
9. C
5b