18.The word "subsea" includes____"sub-"and ____"sea".
A.prefix;free root
B.bound;root
C.prefix;bound root
D.derivational ;affix
正确答案是
18.The word "subsea" includes____"sub-"and ____"sea".
A.prefix;free root
B.bound;root
C.prefix;bound root
D.derivational ;affix
正确答案是