28.　 hear sb. do sth.听见某人做某事

27.　 take a bus to sw.=go to…by bus坐汽车去…

26.　 arrive in/at=get to=reach到达

25.　 so that以便

24.　 again and again一次又一次

23.　 lend sth.to sb.把某物借给某人

22.　 as well=too也

21.　 go on a trip去旅游

20.　 think about考虑

19.　 had better do最好做…