单项选择题

When I came into the classroom, the teacher ______ something on the blackboard.

A. is writing
B. was writing
C. wrote
<上一题 目录 下一题>
热门 试题

单项选择题
— I wonder if I ______ late for class, Mr. Li— Ben, you are late again.
A. have been
B. am
C. was
单项选择题
There are 19 people waiting before me, so I'm the ______.
A. twelfth
B. twentyth
C. twentieth
相关试题