The students in Class One were having a P.E class()we were having a math class.A.when B.while C.asD,since

分类: 作业答案 • 2021-12-19 15:48:24

问题描述：

The students in Class One were having a P.E class()we were having a math class.A.when B.while C.as
D,since

答

B.while

答

while