1) they are skating very well. 2) Did you skate last Sunday? - Yes, we skated the whole day last Sunday. We will skate again next Sunday. 3) My brother can skate very well. He skates every Sunday. 4) What are you doing now? - I'm washing the dishes. 5) What did you do at three o`clock yesterday? -I had diner? 6) Are you having dinner now? 7) Where doese your brother work? - He works at the institute. 8) Had your grandmother been slept when you came home yesterday? 9) What will your brother do tomorrow? 10) I didn't go to the shop yesterday. 12) Every day the boss enters the office at nine o'clock . 13) Yesterday the boss entered the... 14) When will the secretary come tomorrow? 15) (listened) 16) When I entered the office, the secretary was typing some letters. 17) (rang).
