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.

我喜欢冬天，因为我可以在雪里玩。

I like winter ___because I can play in the snow.