So long as he works hard,I didn't mind when he finishes the experiment.

So long as he works hard,I didn't mind when he finishes the experiment.
So long as he works hard,I didn't mind when he finishes the experiment.

So long as he works hard,I didn't mind when he finishes the experiment.
只要他努力工作,我不介意他什么时候完成实验.

只要他工作努力，我不介意他什么时候完成这个实验。

只要他努力，我不介意他什麽时候完成实验

只要他认真努力，我并不介意他什么时候完成这个实验