— Helen, your English is pretty good. How can I improve my English?
—I think you can improve your English ______ reading more.

—Can you tell me _______?    

— Doing more speaking is useful, I think.

A. how I can improve my Japanese      B. how can I improve my Japanese

C. when I can improve my Japanese     D. when can I improve my Japanese

You speak good English. Could you tell me ________?

         You’d better communicate with others in English as much as possible.

A.  how can I improve my English        

B.  B. how could I improve my English

C.  how I can improve my English        

D.  D. how I could improve my English

---How can I improve my reading?

---I think the most important is to ______ a good habit of reading.

A．develop          B．show             C．make             D．take

---How can I improve my reading?
---I think the most important is to ______ a good habit of reading.