I want to know what will become that poor little boy if no one wants to help him?A. toB.

问题补充：

I want to know what will become that poor little boy if no one wants to help him?

A. to

B. of

C. on

D. with

答案：

A. to

(答案→)B. of

C. on

D. with

解析：what will become of somebody? 某人将会发生什么事？