根据对话情景和内容,从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
-- What do you find hardest in learning English?
--      Sometimes it’s just impossible to understand.
--    The more you listen to English, the easier it becomes.
-- That’s easier said than done!
--     Then you can listen to Radio Beijing or VOA English programmes on the radio.
-- Do you think that would help? 
--     And why not buy some English tapes and some books to go with them? I’m sure you’ll find them useful.
-- Yes, that’s a good idea. But I have another difficulty. _
-- Oh! Well, for that, you’d better find an English pen friend.

A．Of course.

B．Certainly not.

C．I’m afraid I need your help.

D．Why don’t you buy a radio?

E. I find listening really hard.
F. Well, you just need lots of practice.
G. My written English isn’t very good either.