问题
选择题
Sorry! I didn't notice you entering the room because I ______ a phone call. [ ]
A. answered
B. had answered
C. was answering
D. has been answering
答案
答案：C
搜题请搜索小程序“爱下问搜题”
Sorry! I didn't notice you entering the room because I ______ a phone call. [ ]
A. answered
B. had answered
C. was answering
D. has been answering
答案：C