他需要申请签证才能进入那个外国。

He needs a visa to enter that ___foreign country.

这种食物对我来说很陌生，我从没尝过这种味道。

This food tastes ___foreign to me, as I've never had anything like it before.

她对外国文化很感兴趣。

She is very interested in ___foreign cultures.