A set of keys是单数还是复数?
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A set of keys是单数还是复数?
A set of keys是单数还是复数?
A set of keys是单数还是复数?
用单数,一串钥匙被看成一个整体
A set of keys是单数还是复数?
a set of keys 后用单数还是复数谓语
a set of keys作主语是谓语动词使用单数还是复数
a set of keys 作主语时谓语用单数还是复数?
a set of keys 后面的动词用什么形式啊?是单数还是复数啊?还有a pair of 什么的.
a set of后面的名词是单数还是复数?
Frank,look at that ____是填 a set of keys还是填set of keys
this is换he/she is,a set of keys换keys可以吗?为什么a set of keys是复数,下面一句却是is this your set of keys.is不是单数用的吗?什么情况下用at?什么情况下要换第三人称形式?什么单词前面要加the?什么情况
A set of keys谓语动词用单数吗?
是there is a set of keys还是there are a set of keys?is or are
英语短语开头要不要大写,要不要标点 如 是 a set of keys 还是 A set of keys.
是a set of keys还是a set of key?哪个正确?
是where is a set of keys 还是where are 回答是It‘s 还是They're是Is this a set of keys 还是 Are they a set of keys
They are a set of keys ,It's a set of keys 哪个是正确的?
This set of ...做主语 动词用单数还是复数?
I lost a set of keys.然后是用 Is this yours?还是Are these yours?
两串钥匙是two set of keys还是two sets of keys
两串钥匙是two set of keys还是two sets of keys,哪个对?为什么?