46. Peter has a lot of English homework. He can’t go to the party. * → If Peter didn’t ………………………………………………………………………. 47. I spent two hours doing my homework. * → It ………………………………….…………………………………………… 48. People say that she is a good doctor. * → She ……………………………………………………………………….…….. 49. The last time she went out with him was two years ago. * → She hasn’t ……………………………………..………………………………………… 50. I only recognized him when he came into light. * → Not until ..............................................................................................................................