问题
选择题
My uncle says that it's his duty ______ the patients. [ ]
A. save
B. to save
C. saves
D. saving
答案
答案：B
搜题请搜索小程序“爱下问搜题”
My uncle says that it's his duty ______ the patients. [ ]
A. save
B. to save
C. saves
D. saving
答案：B