The manager ____ nothing about the matter ____ he read his secretary’s report.
问题描述:
The manager ____ nothing about the matter ____ he read his secretary’s report.
A.had known,when B.has known,before C.will know,after D.knew,until
谁能告诉我为啥不能选B
答
如果选B的话,翻译给你听:
在读完秘书的报告之前,经理已经对此事一无所知了.
如果是说has known everything还可以