4.6 兼有兩種形式的副詞
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1) close與closely
　　close意思是"近"； closely 意思是"仔細地"
　　　 He is sitting close to me.
　　　 Watch him closely.
2)　late 與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與deeply
　　 deep意思是"深"，表示空間深度；deeply時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與highly
　　 high表示空間高度；highly表示程度，相當于much
　　　 The plane was flying high.
　　　 I think highly of your opinion.
5)　wide與widely
　　 wide表示空間寬度；widely意思是"廣泛地"，"在許多地方"
　　　 He opened the door wide.
　　　 English is widely used in the world.
6)　free與freely
　　free的意思是"免費"；freely 的意思是"無限制地"
　　　 You can eat free in my restaurant whenever you like.
　　　 You may speak freely; say what you like.