Упр. 5: Выбрать из скобок требующуюся форму причастия.

1. а) The girl writing on the blackboard is our best pupil. b) Everything written here is quite right. 2. a) The house surrounded by tall trees is very beautiful. b) The wall surrounding the house was very high. 3. а) Who is that boy doing his homework at that table? b) The exercises done by the pupils were easy. и так далее.