Question

【题目】When you have some difficult math problems, you can ____ your math teacher.

A. turn toB. to askC. turnD. ask for

Answer 1

【答案】A

【解析】本题主要考查短语区别，turn to sb for help向某人求助；ask for sb向某人求助，can 是情态动词后跟动词原形，排除B；C答案不符合结构，根据句意故选D。