问题补充：
–How do you improve your writing skills?
-.
A. I have some problems listening to English tapes.
B. It’s very difficult for me to write English articles.
C. By finding a pen pal and sending e-mails to each other.
D. I like movies and often watch them on TV.
答案：
A. I have some problems listening to English tapes.
B. It’s very difficult for me to write English articles.
(答案→)C. By finding a pen pal and sending e-mails to each other.
D. I like movies and often watch them on TV.
解析：根据问句你怎样提高你的书写水平?可知选C,通过找一个笔友然后相互发送电子邮件.by可以表示通过某种方式.
