I. Rewrite the sentences below without changing their original meaning 1. We have never seen this place before They said ...................................................... 2. Scientists have invented new devices to help people live a longer life New devices .................................................... 3. John hasn*t finished some assignments yet Some assignments ............................................. 4. Their health is not very good because they don*t exercise regularly If they ...................................................... II. Write full sentences 1. The air , not be , polluted , if , there , not be , too many vehicles If ................................................................................ 2. We , not meet , each other , since , we , leave , school We ................................................................................ III. Combine the sentences in each pair into a new sentences that shows a cause / effect relationship . Use the words in brackets 1. Many rives and lakes are poisoned . Factories produce waste and pour in into rivers and lakes ( because ) 2. The environment is polluted . Birds leave their habitats and plants die ( make ) 3. Plastic bags are a major source of waste . We should not throw plastic bags everywhere ( so ) 4. The food is contaminated . People*t health is poor ( results in ) IV. Complete the second sentences so that it has similar meaning to the first sentences 1. Students are more aware of protecting the environment . Teachers teach environmental issues at school If ....................................................................................... 2. People speak English all over the word English ....................................................................... 3. Many rivers and lakes are poisoned . Factories produce waste and pour it into rivers and lakes Because .......................................................................... 4. They provided then food cleared up the debris After they ...................................................................... 5. Which one would you like , the blue or the green ? said the seller The seller asked ................................................................. V. Rearrange the words and phrases to form a complete sentences 1. is / country fair / entertainment / at / pig - racing / for / a / often / held / . ⇒ ............................................................................................................ 2. next Friday / postpone / We / meeting / will / the / she / if come / doesn*t / ⇒ ........................................................................................................... 3. English speakers / increasing / the / fast / of / number / world / is / the / in / . ⇒ .......................................................................................................... 4. holography / said that / Lan / interact / would help us / in real time / . ⇒ .......................................................................................................... 5. housework / the / do / All / by / will / done / 20 years time / robots / in / be / . ⇒ ................................................................................................... VI. Rewrite these sentences as directed ( using suggested words ) 1. I am working in a restaurant now , she said to John She ......................................................................... 2. They have to repair the engine of the car ( repaired ) .......................................................................... 3. Do you review your lessons in the evening ? Our teacher said to Mai Out teacher ................................................................... 4. I*m not you , but I think you should recycle these plastic carrier bags If ................................................................................ 5. Don*t draw no my wall , the boy said the neighbour The neighbour ................................................................... ( làm giúp mk vs ạ , đang cần gấp , cám ơn trước )