题目内容
There a book and two pens in the pencil case.
A. are B. am C. is D. be
C 【解析】 句意：在铅笔盒里有一本书和两只钢笔。am，is和are都是be动词的形式，am用于主语是第一人称I的时候；is用于主语是单数的时候；are用于主语是复数或是第二人称you的时候。这个题目考查的是there be句型的单复数形式，应根据就近原则，与离谓语动词最近的名词一致，在这句话中就是a book，故用单数，选C。
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