I.重点词汇
  a bit----a little on time---in time
  quiz----exam at table----at the table
  point at---point to----point out reach----get to----arrive at/in
  except----besides with----in----by
  finally----at last----in the end type----kind
  habit----custom particular----special----especial
  used to----be used to              greet sb---say hello to sb
  rude----inpolite                  at times----sometimes
  at first----first of all               beside—near---next to        
II.重点词组
1. be supposed to do =should　    应该\被期望做某事
2. shake hands (with)sb　握手　　shake 本意是“摇动、震动”
3. should have done sth. “情态动词＋现在完成时”表示过去本应该做某事，事实上没有做