Unit 17

Useful expressions;

1.hit hit       2.It's dangerous to do sth

3.It's better to wait and be safe 

4.make a noise make so much/a lot of noise   

5. disturb others    6.get on /off the bus  

7.push others  push sb away/ out of...    

8.stand in line=stand in a queue wait for your turn 

9.Do you think/find/feel it necessary/for sb to do sth?

10.How do you feel if someone doesn't wait for his turn to do things?                               

11.at the head of         12. My head hurts= I have a pain in my head.   take one's arm= catch sb by the arm

13.laugh at sb's mistake 

14.get ready to do/ get ready for              

15.not... until  16.go alone  alone = all by oneself=without anybody 

17.throw about 

18.stop doing sth.   stop sb from doing sth.. 

19.change one's job 

20. have a good time= enjoy oneself=have fun doing sth. 

21.in fact  22. at mid-night 

23.telephone sb. to do sth./call/ ring sb.

24 complain to sb about sth                

25 quarrel with sh about sth 

26.That was a surprise   in surprise 

27.in a tired/low/loud/quiet voice  voice/sound/noise 

28. police(集合名词)                               

29.care  take care of =look after   care for =like 

30. half way up the hill 

31.时间状语从句/条件状语从句主句是将来,或含有情态动词,祈使句时,从句多用一般现在时.主句是过去时.那么从句用过去时.