31.When the teacher came in.Lin Tao the floor. A.were sweeping B.was sweeping C.swept 查看更多

 

题目列表(包括答案和解析)

When the teacher came in,Lin Tao ________ the floor.

A.were sweeping             B.was sweeping               C.swept

查看答案和解析>>


同步练习册答案