【題目】??????? number of volunteers took part in the event,and the number of them increasing now.
A.The;are??? B.A;is
C.The;is???? D.A:are
?
【答案】B
【解析】
試題分析:句意:許多的學生參加了這件事,他們的總數現在正在增加。A number of ,許多的······;the number of ,······的總數,做主語看做單數。結合句意,故選B。