Choose the best answer to complete each sentence: _________ aren't effective anymore because insects have become resistant to them.

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CÂU HỎI KHÁC

• Choose the sentence which is closest in meaning to the sentence printed before: He talked about nothing except the weather.
• Choose the correct answer: We continue to_________ rainforests and increase the dangers of global warming.
• Choose the best answer to complete each sentence: In some countries there have been widespread demands for the_________ of seal hunting.
• Choose the best answer to complete each sentence: Some people have a more_________ attitude towards animals than they do towards children.
• Choose the best answer to complete each sentence: _________ aren't effective anymore because insects have become resistant to them.
• Choose the best answer: Overharvesting brought North American alligators to_______ in their natural habitats.
• Choose the best answer that substitutes for the underlined part: Several cars, _______ owners had parked them under the trees, were damaged.
• Choose the word or phrase that best completes the sentence: They started a campaign to ______ smoking among teenagers.
• Choose the best sentence which is closest meaning to the original one: The boys must have gone to the sports ground.
• Choose the best sentence which is closest meaning to the original one: There aren't many other books which explain this problem so well.