there are a blue chair and a blue desk. 主语是a blue chair and a blue desk（两样东西了,所以用are）. 有些语法书说there be结构也属于就近原 …
主语是并列关系的the desks and chairs相当于they，后接复数形式的系动词are，这种主语与动词的配合恰当无误。并列的形容词red and orange， …
要是用are,这个句子就应该是：this desks are green. 而原句“the desks is green”里面的desks不是复数，而应该是the desks表特指，把所有的 …
I'd say 'is' because if you break down what that means, it's 'There is a desk and (there is) a chair', but you don't say the second 'there …
答案. 看！ 门是黄色的。 课桌是绿色的。 主系表结构，主语是单数door，系动词用单数形式is；主语是复数desks，系动词用复数形式are。 C. 结果二. …
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