Вместо пропусков вставьте глаголы will, do, be в нужном времени. a.: what … you doing now? b.: i … preparing for the coming voyage? a.: … you sail as a radio-officer? b.: no, i … not. i … sail as radio-apprentice. a.: when … your ship put to sea? b.: tomorrow morning. a.: on what ship … the cadets of your college sail last year? b.: they had their training on board the sailing ship mir. a.: how long … their training last? b.: it lasted four months.