3.go camping/hiking/fishing/ sightseeing/bike riding 去野营/远足/钓鱼/观光/骑车

2.go with sb.　 和某人一起去

1.babysit one’s sister　 临时照顾某人的妹妹　

44.I don’t think I’m improving. 我认为我不会有提高.

Unit 3

43.It’s easy to have a healthy lifestyle.　 有一种健康生活方式是容易的.　

42.I hope you feel better soon.　 我希望你一会儿感觉更好些.　

41.He shouldn’t eat anything=He should eat nothing. 他不应当吃任何东西.　

40.You should lie down and rest. 你应当躺下休息.

39.I have a sore back. 我背痛

38.What’s the matter with you?=What’s the trouble with you?=What’s wrong with you?你怎么啦？