How do you find Mr Li’s lecture?- Good indeed. It many problems we have come across

问题补充：

--- How do you find Mr Li’s lecture?

--- Good indeed. It many problems we have come across in our study.

A. says

B. talks

C. covers

D. refers

答案：

A. says

B. talks

(答案→)C. covers

D. refers

解析：考查词义辨析。says说出，talks谈话，covers涵盖，refers涉及，句意：你认为李先生的讲座怎么样？的确非常好，他的讲座涵盖了我们在学习中遇到的许多问题。所以选C。