（）Mary and her classmates that helped the old man clean his hous_英语解答

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

人气：205 ℃　时间：2020-03-31 23:20:20

解答

选C
句型：it is s.b /s.th that.
此类句型不管it 后面跟的是单数或是复数,均视作一个单的物品,所以用单数,判断选C