1-went(то что должно быть при раскрытии скобок))2-have been to,3-came,had dinner,read,began.4-returned,did you go to the station,i have been too busy,5-discussed,6-have seen,7-entered,saw,stood,cut,was cooking,8-heard,i ran out..,saw,was lying and crying.9-wrote,did not notice,10-came,were running and singing,have learnt,11-entered,looked,did you want,said,why did you come,12-was raining,left,returned,put on,started.13-did your brother return from the north,came,14-have you been to crimea,when were you,was.15-where have been your brother,has just come,he is taking a shower