—If I work hard at my lessons from now on can I do well in them?—Sure. .A. All rivers run

问题补充：

—If I work hard at my lessons from now on, can I do well in them?

—Sure. .

A. All rivers run into sea

B. Every day is not Sunday

C. Better late than never

D. Practice makes perfect

答案：

A. All rivers run into sea

B. Every day is not Sunday

(答案→)C. Better late than never

D. Practice makes perfect

解析：All rivers run into sea殊途同归，海纳百川；Every day is not Sunday好景不长在；Better late than never 亡羊补牢，迟做总比不做好；Practice makes perfect熟能生巧。根据上文，如果我从现在起努力学习我的课程，我能学好吗？可知选C，当然了，迟做总比不做好。