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Ejercicios para practicar voz pasiva
Tipo: Ejercicios
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a. Students should study environment problems at school. Environment problems _____________________________ b. Teachers could include this topic in their classes. This topic ________________________________________ c. Some people buy returnable bottles and use recycle paper. Returnable bottles _____________________________________ d. Governments have constantly ignored important issues on economic reasons. Important _________________________________________________ e. At school teachers advise students about pollution and its prevention. Students __________________________________________________ f. In develop countries authorities will lead everybody to cooperate. Everybody _______________________________________________ g. Everybody should throw away their bottles into recycling bottle banks. Their bottles ______________________________________________ h. Parents must teach their children what to do about rubbish. Children _________________________________________________ i. Last year several nations held a meeting to discuss environmental problems. A meeting ________________________________________________ j. Organizations like Greenpeace are giving people leaflets about what to do. People ___________________________________________________ k. Mothers should teach children not to throw litter in the streets. Children _________________________________________________ l. Consumers could buy returnable recipients instead of throwing them away. Returnable _______________________________________________ m. In developed countries people are recycling glass, paper, metal and even plastic. Glass, paper ______________________________________________ n. In underdeveloped countries everyone wastes and throws away useful objects. Useful objects _____________________________________________ o. Everybody should pass their bottles on to others when they no longer use them. Bottles ___________________________________________________