om worked n the factory two years ago改同义句Tom _____ _____ work in the factoryTom worked in the factory two years ago改同义句Tom _____ _____ work in the factory
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om worked n the factory two years ago改同义句Tom _____ _____ work in the factory
Tom worked in the factory two years ago改同义句Tom _____ _____ work in the factory
used to
used to