4.6 兼有两种形式的副词
 
1) close与closely
  close意思是"近"; closely 意思是"仔细地"
    He is sitting close to me.
    Watch him closely.
2) late 与lately
   late意思是"晚"; lately 意思是"最近"
    You have come too late.
    What have you been doing lately?
3) deep与deeply
   deep意思是"深",表示空间深度;deeply时常表示感情上的深度,"深深地"
    He pushed the stick deep into the mud.
    Even father was deeply moved by the film.
4) high与highly
   high表示空间高度;highly表示程度,相当于much
    The plane was flying high.
    I think highly of your opinion.
5) wide与widely
   wide表示空间宽度;widely意思是"广泛地","在许多地方"
    He opened the door wide.
    English is widely used in the world.
6) free与freely
  free的意思是"免费";freely 的意思是"无限制地"
    You can eat free in my restaurant whenever you like.
    You may speak freely; say what you like.