问题
选择题
If you have some difficulties ____ your grammar, you had better ask your teacher ____.
A．in; on some advice
B．for; for some advices
C．on; some advice
D．with; for some advice
答案
答案：D
考查短语：在某方面有困难have difficulties with；向某人寻求建议ask sb for some advice，句意：如果你在语法方面有一些困难的话，你最好向你的老师寻求建议。所以选D。