我为我的西班牙之行获得了一份旅游签证。

I obtained a tourist ___visa for my trip to Spain.

她正在大使馆申请学生签证。

She's at the embassy to apply for a student ___visa.

你需要一个有效的签证才能进入这个国家。

You'll need a valid ___visa to enter the country.