-What's this?-_________.A.It's white milk.B.It's map.C.It's red pen.D.A milk.已经知道答案是A,但不知道怎么来的,答得好我会另外加分

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-What's this?-_________.A.It's white milk.B.It's map.C.It's red pen.D.A milk.已经知道答案是A,但不知道怎么来的,答得好我会另外加分
-What's this?-_________.
A.It's white milk.B.It's map.C.It's red pen.D.A milk.已经知道答案是A,但不知道怎么来的,答得好我会另外加分

-What's this?-_________.A.It's white milk.B.It's map.C.It's red pen.D.A milk.已经知道答案是A,但不知道怎么来的,答得好我会另外加分
map和pen是可数名词,前面少了不定冠词a,
milk是不可数名词,前面不能用不定冠词

BC中的关键词都是单数可数名词，通常是要加a/an的，比如：It's a map. It's a red pen.
milk是不可数名词,不能说a milk.可以说a cup of milk
因此，只有A是正确的答案。

B It's a map.
C It's a a red pen.
D A cup of milk.

A正确 white milk是不可数的，前面不能用“a"”an"等量词

因为milk是不可数名词所以不用加冠词a map和pen都是可数名词所以要加冠词a 而且他问的是what's this 是表明单数如果答案是map或者pen 那么要加冠词a 记住可数名词单数要加冠词a

同义句What's this in English?What's ______ ______ ____ this?There's something wrong with Jack's eyes._______ ______ _____with Jack's eyes. What's this in English?同义句______ the _____ ______ this? What's the weight of this baby cat?______ ______ does this baby cat______? what's this in Chinese?(改为同义句）____ the Chinese ____ _____?/ what's this ______ in Chinese? It's a football.______?——It's a basketball.A.What's this B.And what's that C.This is what what’s ______ ______ ______ your sister? What's this in English?It's ______ apple.A：theB：an what's this? what s this回答 whats this what's this是什么意思 What's this? 翻译 what’s this? this's what i what's this? what's this What’s.this.( )Chinese what's this?