题目内容
The number of chairs in the room_____ten.I’m afraid a number of chairs in the room____lost.
| A.is;is | B.is ;are | C.are;is | D.are;are |
B
解析试题分析:a number of一些,许多;the number of……的数目。句意:教室内椅子的数目是十。恐怕教室里许多椅子丢失了。结合语境可知前文主语表达抽象含义,不可数,为谓语动词用单数,下文,主语为复数形式,故谓语动词用复数形式。选B。
考点:主谓一致
点评:由number构成的这两个短语是经常考查的对象,其一般解题原则是先区分这两个短语的含义,然后结合语境选择正确答案。其结构,含义比较固定,熟记即可。
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