___a foreign languahe,one must have a lot of practice.A.For mastering B.Mastering C.To master D.Master
问题描述：
___a foreign languahe,one must have a lot of practice.
A.For mastering B.Mastering C.To master D.Master
答
C 目的状语提前“为了学好一门外语”
答
C
答
___a foreign languahe,one must have a lot of practice.
选C
表示目的,为了,用不定式
A首先for不放句首,其次,for解释为因为,所以不选
B用的是进行时,没有不定式好
D是谓语,用了之后句中就有两个谓语了