问题
选择题
He was too old _____ by himself.[ ]
A. walk
B. walking
C. to walk
D. not to walk
答案
答案：C
搜题请搜索小程序“爱下问搜题”
He was too old _____ by himself.[ ]
A. walk
B. walking
C. to walk
D. not to walk
答案：C