Раскрыть скобки , 30 . christopher columbus (to discover) america in 1492. 2. christopher columbus (to live) in spain for a long time. 3. christopher columbus (to be) a seamen 4.my friend (to be) interested in english literature last year. 5.tom (to be) interested in playing football next year. 6.some children (to be) always interested in playing computer games.