用所给词或短语的适当形式填空。　

1. You should _______ cars while crossing the street.　

39.Leaving→Leave　40.behind→alone　

　　　 综合提升

35.at→into　36.去掉very或者very→quite　37.are you→you are　38.but→than　

40. Leave that vase behind; you might break it.

　　　 答案：31.that→as　32.will→would　?33.Placed→Placing　34.hoped→wished　

39. Leaving it with me and I’ll see what I can do.　

38. To enjoy the scenery, Irene would rather spend long hours on the train but travel by air.　

37. As far as I am concerned, education is about learning and the more you learn, the more equipped for life are you.　

36. Your sister is very too young to learn Russian.　　

35. He was admitted at the party.