expensive/ high/ cheap/ low 这四个词在谈论到价格的高低时.要注意使用...

35. ---There is a little trafficaccident．36. ---There's a big traffic jam.37. ---Well, I'm sure he'll be here before long.38. ---I'm beginning to get angry with him!39.---Yes, we can't wait any longer. Let's go without him.40. ---That's terrible! 41. ---That's a really bad excuse!IV. 重要语法