Firms that use computer have found that the number of staff_

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/11/12 23:18:11

Firms that use computer have found that the number of staff________is needed for quality control can be sustantially reduced.A.whose B.as C.what D.that 答案它说是D但是我觉得同样是定语从句关系代词表示主语修饰staff 为什么as不可以呢?一定要用that吗?

that可以代替其他的呀再答：要不只能用which
再问：那as也是可以在定语从句中修饰主语的这里为什么不能选呀
再答： as不是限制定从的。。。。
再答： as不能充当主语

Firms that use computer have found that the number of staff_ Firms that use computers have found that the number of staff One day the number of the body found that they were doing al the use of computer the number of the people that 英语翻译To the extent that Western firms have seized on the grow 用过去分词改写句子Have you got the number of the books (that we have 英语翻译You have read with concern that the number of problems c c++ find the column number(index) that have maximum sum of i 英语翻译You have reached the maximum number of members that you 英语翻译1 we have noticed that the number of people using comput The scientists have found that there is no ______ of life on