问题
选择题
— Come on, Kitty.
— Oh, good heavens! Both my legs are nearly to give out. I ____ for hours like a dog. [ ]
A. have been walking
B. had walked
C. was walking
D. walked
答案
答案：A
搜题请搜索小程序“爱下问搜题”
— Come on, Kitty.
— Oh, good heavens! Both my legs are nearly to give out. I ____ for hours like a dog. [ ]
A. have been walking
B. had walked
C. was walking
D. walked
答案：A