A recent survey shows that the number of children who from the countryside with their pare

问题补充：

A recent survey shows that the number of children who from the countryside with their parents nearly 320,000 in Beijing.

A. comes; are

B. come; is

C. come; are

D. comes; is

答案：

A. comes; are

(答案→)B. come; is

C. come; are

D. comes; is

解析：句意：一项最近的研究表明北京和父母从乡村来的孩子的数量是将近320，000.第一空是定语从句的谓语，应该和先行词children一致，用单数谓语，第二空的主语是the number of children，谓语是单数，所以选B。