22.The Browns held _____ they called "family day" once each year._英语解答

22.The Browns held _____ they called "family day" once each year.
A.that B.what C.which D.when
为什么非得用what,其他的怎么不行
如果我不理解那下次我肯定还错,所以能不能有大神详细说明啊

人气：394 ℃　时间：2020-03-30 21:31:36

解答

【解析】用what来做宾语从句的引导词.
翻译：布朗一家每年都举办一次,举办什么呢?举办那个他们称之为“家庭日”（的聚会）.