（）Mary and her classmates that helped the old man clean his houseA.it were B.they were C.it was D.there were

分类: 作业答案 • 2022-06-09 12:58:36

问题描述：

（）Mary and her classmates that helped the old man clean his house
A.it were B.they were C.it was D.there were

答

（ ）Mary and her classmates that helped the old man clean his houseA.it were B.they were C.it was D.there were