Question

I have been living in London for more than ten years, so I have ________ good knowledge of this city.

A．/

B．the

C．a

D．an

Answer 1

 C

 
试题分析：句意：我住在伦敦10多年了，我对这个城市非常了解。knowledge,名词，知道，了解，have a good knowledge of是一个固定短语，对……非常了解，故选C。