--- Did you ask the guard _______ happened? --- Yes, he told me all _______ he knew. A.what; thatB.w

题目简介

--- Did you ask the guard _______ happened? --- Yes, he told me all _______ he knew. A.what; thatB.w

题目详情

--- Did you ask the guard _______ happened?
--- Yes, he told me all _______ he knew.
A.what; thatB.what; whatC.which; whichD.that; that
题型:单选题难度:偏易来源:不详

答案

A
what happened是宾语从句. all 之后that he knew是定语从句.先行词是all,所以关系代词只能用that.

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