the students of class one had a P.E lesson in the morning用when提问

问题描述:

the students of class one had a P.E lesson in the morning
用when提问

一班的学生早上了一节体育课.
应该是过去时,而且是class 1.一班啊!也没有只有(only)这个词啊!
When did the students of class one have a P.E lesson?
楼上的没有把had还原.