单选题It was a stroke of luck that she had always been able to write with ______ hand, which sometimes helped her a lot.A both B each C every D either

题目
单选题
It was a stroke of luck that she had always been able to write with ______ hand, which sometimes helped her a lot.
A

both  

B

each  

C

every  

D

either


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参考答案和解析
正确答案: D
解析:
幸运的是她两只手都会写字,这帮助了她不少。本句在于either与both的区别,either是两者其一,后面的名词用单数。both两者都,后面的名词用复数。