he ---to help his classmate who was ill in the bed他自愿帮助生病的同学 volunteer加s还是ed老师说s 郁闷- -

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/26 16:14:06
he---tohelphisclassmatewhowasillinthebed他自愿帮助生病的同学volunteer加s还是ed老师说s郁闷--he---tohelphisclassmatewhow

he ---to help his classmate who was ill in the bed他自愿帮助生病的同学 volunteer加s还是ed老师说s 郁闷- -
he ---to help his classmate who was ill in the bed他自愿帮助生病的同学 volunteer加s还是ed
老师说s 郁闷- -

he ---to help his classmate who was ill in the bed他自愿帮助生病的同学 volunteer加s还是ed老师说s 郁闷- -
volunteered,因为后面说的是was ill.

ed

ed,因为从句中的系动词是过去式was

加ed,这是定语从句,主句与从句时态要保持一致