Keeping a diary is good habit, by which you'll make great progress in writing.
A. a; a
B. a; 不填
C. the; a
D. the; 不填
网友回答
A. a; a
(答案→)B. a; 不填
C. the; a
D. the; 不填
解析:考查冠词:第一空填a,a good habit一个好习惯,第二空不填,因为progress是不可数名词,句意:记日记是个好习惯,通过记日记你可以在写作方面取得进步。选B。