1.Noone could translate this text2. She should be more attentive on the lessons3.Your son can do this work himself4.They should visit her, she is in the hospital5.The train has to arrive soon6. You don't need to come so early7.Who can answer for my question ?8. I can take exams9.Are you allowed to go for launch ?10.My friend lives fa from office, so he has to get up early morning11.I'm happy that I didn't have to finish this work yesterday12.You can change flowers in vase13.My sister must get the letter14.Are you allowed to take the dictionary?15.He had to meet them on the station yesterday