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In lines 9 - 11: “The US authorities then in control began excavation for larger locks in 1939”, the word in bold means:
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Choose the option that correctly completes the blank in the sentence below. Fuel oils have various properties which determine their performance and are quoted in specifications. The various fuel properties have different effects on performance of the engine and the storage and handling requirements of the system. The _______________ indicates the lowest temperature at which a fuel can still be handled.
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According to the text, the phrasal verb ruled out {line 14) is closest in meaning to
People who never think of other people’s feelings are very ___________________.
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In lines 58-59: ‘(…) major accidents have often been the catalysts for key changes(…)’, the underlined word can be replaced by: