No one really knows for sure ________ makes a person become right-handed rather

No one really knows for sure ________ makes a person become right-handed rather

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

答案
C
解析

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。
举一反三
Experts believe ______ people can waste less food by shopping only when it is necessary.  
A.whyB.whatC.whereD.that

题型:不详难度:| 查看答案
Ram explained to his mother _____ he would get home late that night because of extra work.
A.thatB.whichC.whatD.whether

题型:不详难度:| 查看答案
The teacher asked me _____ I did last Sunday morning?
A.no matter whatB.what everC.whateverD.whoever

题型:不详难度:| 查看答案
I am sure that if it came to that point, he would do ________ is expected of him.
A.whatB.whenC.whichD.as

题型:不详难度:| 查看答案
After several hours’ drive, they reached ________ they thought was the place they’d been dreaming of.
A.thatB.whereC.whichD.what

题型:不详难度:| 查看答案
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