如果你没有时间完成所有作业，至少完成数学作业。

If you don't have time to finish all homework, ___at ___least complete the math assignment.

你可以看电影，或者至少读本书放松一下。

You could watch a movie or ___at ___least read a book for relaxation.

即使你没有赢得比赛，至少你尽力了。

Even if you don't win the race, ___at ___least you tried your best.