Swimming is a good wat to ___?A keep fit B keep health C keeping fit D keep healthily
问题描述：
Swimming is a good wat to ___?A keep fit B keep health C keeping fit D keep healthily
答
A.不定式表目的
答
A
答
A
B,health 是名词,应该改为healthy
C.to 后加动词原形
D,healthy,不是healthily副词