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
网友回答
A. is;is
(答案→)B. is ;are
C. are;is
D. are;are
解析: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。