in australia he made a lot of friends () a very useful knowledge of the english languageA get B to get C getting D got
问题描述：
in australia he made a lot of friends () a very useful knowledge of the english language
A get B to get C getting D got
答
A,make sb. do,用动词原形
答
C
不定式，表目的关系
答
A get
make sb do sth其中省略的to一般在被动句中被还原