问题
选择题
Why have they sent me this bill? I _____ it several weeks ago. [ ]
A. pay
B. have paid
C. was paying
D. paid
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Why have they sent me this bill? I _____ it several weeks ago. [ ]
A. pay
B. have paid
C. was paying
D. paid
答案：D
