Условие:
Some of these sentences are grammatically wrong. Find the mistakes and correct them. 1) When Nora entered the room, she couldn’t understand what was going on. 2) It was difficult to do the sum but Andrew could do it. 3) Lizzy could play the piano at the age of six. 4) Jerry could run away by jumping out of the window. 5) We could do a lot of interesting things in summer: we could swim, play volleyball and football, we could cycle and go to the mountains. 6) Our team could win the match though our best player was sick. 7) Jane could speak English very slowly at the beginning of the school year and made a lot of mistakes. Her language skills are much better now. 8) He could earn enough money to buy a good car. 9) It was difficult to prove that John was not to blame, but his friend could do it.