— My English is really poor. Could you give me some advice?— If you made most of your tim

问题补充：

— My English is really poor. Could you give me some advice?

— If you made most of your time, there would be big improvement.

A. 不填; 不填

B. the; 不填

C. the; the

D. the; a

答案：

A. 不填; 不填

B. the; 不填

C. the; the

(答案→)D. the; a

解析：考查冠词。句意：我的英语真的很差。你能给我一些建议吗？——如果你能利用你的大部分时间，就会有一个很大的提高。结合语境可知前文特指的是某个部分，下文泛指任何一个很大的提高，故用前文用定冠词，下文用不定冠词。选D。