Domande

esercizio 9 - capitolo unit 6 - save the earth

before buying an electric car, you need to check if there are any public charging stations near your home.
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as we see it, people ought to use planes less.
children under the age of 12 shouldn't go on the roller coaster: it's far too dangerous.
i needn't have booked the show beforehand, but i did.
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