问题
选择题
---- A number of voiunteers _____ willing to teach in China’s rural areas.
----- Yes. The number _____ getting bigger and bigger.
A．is ; is
B．are; is
C．is; are
D．are; are
答案
答案：B
题目分析：句意：一批志愿者愿意在中国农村教书。是的。（志愿者）人数越来越多。A number of许多，修饰复数名词，作主语时谓语动词用复数形式；the number （of）（……的）数量，作主语时谓语动词用三单形式。所以选B。