我们应该为下一次会议确定一个时间吗？

Should we ___fix a time for our next meeting?

他们还没有为婚礼确定日期。

They haven't ___fixed a date for the wedding yet.

如果你那时忙，你可以打电话给他们确定一个新日期。

If you are busy at that time, you can call them to ___fix a new date.