问题
选择题
. The doctor was so kind that he devoted all his spare time he had _______the poor boy.
A. to helping B. helped C. helping D to help
答案
答案：A
搜题请搜索小程序“爱下问搜题”
. The doctor was so kind that he devoted all his spare time he had _______the poor boy.
A. to helping B. helped C. helping D to help
答案：A