我们可以去看七点或八点的演出——哪个时间最合适就选哪个。

We can go to the seven o'clock performance or the eight – ___whichever works best.

你可以选择那些日期中对你最好的一个。

You can choose ___whichever of those dates is best for you.

你可以选择兼职或全职，随你想要。

You can choose part-time or full-time, ___whichever you want.