I: Put the words or phrases in the right order to make sentences.
1. If/ is polluted/ fish/ the river/ will die.
..............................................................................................................................................
2. We/ recycle/ rubbish/ should/ try to.
.................................................................................................................................................
3. Don't throw/ plastic bags/ the/ because/ can reuse them/ you.
..................................................................................................................................................
4. You/ should/ when/ use reusable bags/ you go shopping
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5. If/ there/ people recycle more/ pollution/ will be less.
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II. Write conditional sentences from these statements.
1. We will plant more trees. The air will be fresher.
If......................................................................................................................
2. We will use fewer cars. We will reduce pollution.
If..........................................................................................................................................................
3. We will cycle to school every day. We will keep fitter.
If..............................................................................................................................................................
4. We will use recycled products. We will save money.
If..........................................................................................................................................................
5. The boy eats so many green apples. He will be ill.
If..........................................................................................................................................................
6. We will use reusable bags for shopping. We will reduce waste.
If..........................................................................................................................................................
7. She doesn't hurry. She is late for school.
If............................................................................................................................................................
8. You don't water the plants. The die.
If.............................................................................................................................................................
1. do
2. to cut
3. cut
4. work
5.drive
6.to write
7. swim
8. be punished
9. make
10. stay
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1. He used to ( do )do research in this library
2. My mother used this knife ( cut ) to cut an orange
3. This famerm is used to ( cut )cutting grass with a knife
4. When my grandfather was young , he used to ( work )work twelve hours a day
5. Is your brother used to ( drive ) driving a tractor ?
6. She used a pencil ( write )to write this letter
7. Are they used to ( swim )swimming in the area ?
8. John used to ( be punished )be punished by his teacher
9. Is the wood pulp used to ( make )to make paper
10. I'm get time used to ( stay )staying up late