问题详情:
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
【回答】
C
知识点:过去进行时及其被动式
题型:选择题
问题详情:
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
【回答】
C
知识点:过去进行时及其被动式
题型:选择题