staying up|stays up|stayed up

在拉斯维加斯，我们整夜熬夜赌博。

In Vegas, we were ___staying ___up all night gambling.

他经常熬夜完成工作。

He often ___stays ___up to finish his work.

我们熬夜看了一部电影。

We ___stayed ___up to watch a film.