问题
选择题
—A number of foreigners learning Chinese.
—Right. The number of them increasing little by little.
A.are: is
B.is;is
C.is; are
D.are; are
答案
答案:A
a number of表示许多的意思,故第一个空主语为复数,be用are,the number of表示什么的数量,故第二个空主语为单数第三人称,be用is,故选A。