问题
选择题
— I called you last night, but nobody answered.
— Oh, I usually _____ off my call phone by 8:00 p.m. [ ]
A. switched
B. have switched
C. switch
D. had switched
答案
答案：C
搜题请搜索小程序“爱下问搜题”
— I called you last night, but nobody answered.
— Oh, I usually _____ off my call phone by 8:00 p.m. [ ]
A. switched
B. have switched
C. switch
D. had switched
答案：C