Ответы и объяснения

2014-02-17T16:31:52+04:00
Лучший Ответ!
2014-02-17T16:33:09+04:00
Begin- began - begun
eat- ate - eat
study - studied - studied
think - thought - thought
speak - spoke - spoken
buy - bought - bought
hope - hoped - hope
find - found - found
know - knew - known
leave - left -left