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trongdzvl73
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(-x+5).(3-x)=0 và x.(2+x).(7-x)=0
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Change these active sentences into passive sentences 1. They make Roll Royce cars in England. Roll Royce cars ............................................................................ 2. They grow rice in China Rice................................................... 3. They use grapes to make wine Grapes......................................................... 4. The factory will products 10,000 cars last year? 10,000.............................................................. 5. Did they make many cars last year? Were............................................................................ 6. Bell didn't invent the television The television................................................................ 7. They have built three new favorites this year Three new favorites....................................................... 8. Do they sell Coca-Cola and hamburgers only in America? Are...........................................................................................?

Giúp mình với mb ơiiii 13.- "Shall I put the books on the floor?" "No, I want to keep the A. tidy room B. room tidily C. room is tidy D. room tidy 14.Our form teacher couldn't come to the party, was a pity. A.that B. which C. what D. this 15.There's somebody behind us. I think we A.are following B. follow C.have followed D. are being followed 16.Their washing machine was out of , so they couldn't wash any clothes. A.activity B. work C. order D. condition 17.Could you me how to use this new telephone? A.explain B. show C. say D. remember 18.His wife's death was a terrible shock and it took him a long time to it. A.get round B. come through C. go over D. get over 19.They'd like to move to London, but their children will never agree A.with going B. to go C. with go D. going 20.When she looked in her purse she found she had been A.broken B. thieved C. stolen D.robbed 21.1 have told him never here again. A.come B. comes C. came D.to come 22.A good friend will you when you're having problems. A.stand by B. stand out for C. stand against D.stand in 23.The fruit tasted sweet, rather peach. A.more B. like C. as D. similar 24.Her car's outside so I suppose she have arrived. A.must B. can C. should D.ought 25.My sister is an expert on wildlife and its A.conserve B. preserve C. reservation D. conservation 26.A lot needs to the house before anyone can move in. A.doing B. be done C. to do D. done 27.We had so many problems with the car we sold it and bought a new that one. A.at the end B. in the end C. by the end D. to the end 28.1've never been insulted in my life. A.so B. such C. quite D. much 29.She had changed so much that_ anyone recognized her. A.almost B. hardly C. not D. nearly 30.As well as in an office he used to have a part-time job as a waiter. A.to work B. he worked C. he was working D. working

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