No one really knows for sure ________ makes a person become right-handed rather than left-handed.A.

题目简介

No one really knows for sure ________ makes a person become right-handed rather than left-handed.A.

题目详情

No one really knows for sure ________ makes a person become right-handed rather than left-handed.
A.whateverB.whoC.whatD.whoever
题型:单选题难度:中档来源:不详

答案

C

试题分析:句意:没有人确切的知道什么使人们用右手而不是左手。这里know后面接的是宾语从句,宾语从句中缺少主语,用what连接宾语从句,whatever“凡是…的东西”,who“谁”,whoever“凡是…的人”,选C。

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