look over 检查,复习 look out 小心,从里向外看 look the same 看起来一样

look up 向上看,查单词, look around 环视 look forward to 期望 look through 温习,检查

22. set off 出发、动身 put off 推迟 keep off 避开、不靠近… drop off 放下(某物)

turn off 关 jump off 跳离, take off 脱(衣) (飞机)起飞

23. half a kilo 半千克 half an hour 半小时 in half 分成两半 half of the day 半天

24. do eye exercises 做眼保健操 do morning exercises 做早操

take (more) exercise (多)参加体育锻炼 an exercise book 练习本

25. take part in 参加 hand in 上交 in hospital 住院 in surprise 吃惊地 in the sun 在阳光下 in trouble 处于困境 in a minute / moment 马上

26. leave for… 动身去某地

27 feed on 以…为主食 live on 继续活着 base on 以…为根据 carry on 坚持、继续下去and so on 等等 on the other hand另一方面 on foot 步行

28. be famous for 以..著名 be excited about +n./V-ing 对…感到兴奋 be interested in 对…感兴趣be born出生 be busy with sth.— be busy doing sth. 忙于 …be amazed at 对..感到惊讶

29. move away 移开 move to (搬)移到

30. search the Internet上网

31. make sure 确信 make a dialogue 编对话 make a mistake 犯错误 by mistake 由于疏忽

make a noise 吵闹 make faces 做鬼脸 make friends (with) 和..交朋友 make room for 给..让地方 make tea 沏茶 make money 赚钱 make a decision作出决定

32.used to do sth 过去常常做某事 be used to doing sth. 习惯于做某事

33. leave sth+介词短语 “把……忘记在某处”

34.forget to do sth. 忘记做某事 encourage sb. to do sth. 鼓励某人做某事