Tutor profile: Naomi K.
Spot the error: Every year, Mary runs the marathon annually.
The correct answer from the multiple choice options would be: Mary runs the marathon annually or Every year, Mary runs the marathon. Usually, the shortest and most concise options are the right answer. Here, 'annually' and 'every year' mean the same thing, and therefore one of them is unnecessary.
Si j'etais riche, je ____ un grand maison.
Si j'etais riche, j'achèterais un grand maison. If I were rich, I would buy a big house. Si followed by the imperfect tense + conditional tense.
If the price elasticity of demand (PED) of petrol is less than 1, if the price increases by 10% how will the demand change? Thus, will the revenue of the company increase or decrease?
Since the PED is less than 1, a percentage increase in price will result in a smaller percentage decrease in quantity demanded. In other words, petrol is a necessity and although prices increase by 10%, demand should fall by less than 10% as people will use it despite the higher price. Thus, the revenue of the company selling petrol is unlikely to fall.
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