问题
选择题
—What was the teacher doing at that time?
—He lessons at school.
A．gives
B．gave
C．was giving
D．is giving
答案
答案：C
根据语境可知此题考查过去进行时的基本构成，was或were doing sth表示过去某个时间正在做某事。因he是第三人称单数故选C。
搜题请搜索小程序“爱下问搜题”
