—Jack,doyouknowtheanswer

问题详情：

— Jack, do you know the answer ______  this question? It’s too difficult for me.

 — Sorry, I don’t know. You can ask Jim for help. He is good at math.

A. with         B. to           C. for                 D. at

【回答】

B

知识点：介词和介词短语

题型：选择题