---Oh, that's just my missing book. Where on earth was it? ---It off the tab
来源：网络
时间：
推荐文章
---Oh, that's just my missing book. Where on earth was it?
---It ______ off the table into the corner.
A.has fallen
B.fell
C.had fallen
D.is falling
试题答案
B
由上句提示可知，用一般过去时。