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.