Can you tell me learn a foreign language well ?A. what toB. how toC. what I canD. how can

问题补充：

Can you tell me learn a foreign language well ?

A. what to

B. how to

C. what I can

D. how can I

答案：

A. what to

(答案→)B. how to

C. what I can

D. how can I

解析：此题考查的结构是，疑问词+to do sth.根据题干的意思我们可知，您能告诉我怎样才能学好英语吗？询问的是方式，故选B.