别担心，我能自己完成这项作业。

Don't worry, ___I can finish this homework by myself.

说到编程，我能搞定任何挑战！

When it comes to coding, ___I can handle any challenge!

“我一定能完成这个拼图！”小男孩自信地喊道。

"___I can finish this puzzle!" the little boy declared confidently.