because

我这么做是因为卡洛斯告诉我的。

I did it ___because Carlos told me to.

他做了这件事，因为卡洛斯告诉他这么做。

He did it ___because Carlos told him to.

我们不能去茱莉亚的派对，因为我们那个周末要离开。

We can't go to Julia's party ___because we're going away that weekend.