你很幸运，因为还有一个金枪鱼三明治。

You ___are ___in ___luck because there is one tuna sandwich left.

我很幸运，因为我的朋友每天都让我搭便车。

I ___was ___in ___luck because my friend gave me a lift every day.

如果你需要帮助，你很幸运，因为我今天有空。

If you need help, you ___are ___in ___luck as I am available today.