[ Grammar ]
Restate the following sentence: We ought to do all we can to reduce air pollution.
A. We are all trying as much as we can not to increase air pollution.
B. We should do our best to protect the environment from harmful gases.
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Her songs about love, ________ she is very well-known, are fantastic.
A. which
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Which article should be used before the word ‘elephant’ in this sentence: ‘I saw ___ elephant at the zoo.’
A. some
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