Question

9. The Russian leader says they discussed the matter         ，and face-to-face.

   A. with ease   B. in fact   C. at length   D. in turn

Answer 1

9. C本句的意思是："俄罗斯领导人说，他们就这一问题进行了详细的、面对面的讨论。"短语at length的意思是"最后，终于;详细地"。