我尽可能使用橄榄油。

I try to use olive oil ___whenever ___possible.

我的朋友们一直认为我是一个开朗、活泼的女孩，总是乐于尽可能帮助他人。

My friends have always regarded me as a cheerful, active girl, who is glad to help out ___whenever ___possible.

我们应该尽可能回收利用。

We should recycle ___whenever ___possible.