While I ___ a novel,someone ___at the door.A.read,was knockingB.read ,knockedC.was reading,knockedD.was reading,was knocking为什么?

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/07 03:08:36
While I ___ a novel,someone ___at the door.A.read,was knockingB.read ,knockedC.was reading,knockedD.was reading,was knocking为什么?

While I ___ a novel,someone ___at the door.A.read,was knockingB.read ,knockedC.was reading,knockedD.was reading,was knocking为什么?
While I ___ a novel,someone ___at the door.
A.read,was knockingB.read ,knockedC.was reading,knockedD.was reading,was knocking
为什么?

While I ___ a novel,someone ___at the door.A.read,was knockingB.read ,knockedC.was reading,knockedD.was reading,was knocking为什么?
D
当我正在读小说时,某个人在敲门
while后一般接进行时,这样后面就应该用过去进行时