我们玩电子游戏消磨时间。

We ___killed ___time playing video games.

当你独自在家无事可做时，你可以看电视消磨时间。

When you are at home alone and have nothing to do, you can ___kill ___time watching television.

我经常在等公交车时读书消磨时间。

I often ___kill ___time by reading a book while waiting for the bus.