While the singer was singing,he fell off the stage and hurt his arm.等于When the singer fell the stage and hurt his arm,he was singing.

分类: 作业答案 • 2023-01-24 14:14:05

问题描述：

While the singer was singing,he fell off the stage and hurt his arm.
等于When the singer fell __ __the stage and hurt his arm,he was singing.

答

While the singer was singing,he fell off the stage and hurt his arm.等于When the singer fell __ __the stage and hurt his arm,he was singing.