我们学校与马德里的一所学校有交换项目，所以我下学期将去西班牙。

Our school has an ___exchange with a school in Madrid, so I'll be going to Spain next semester.

他叫Rob，和我一样，他申请了学生交换项目。

His name is Rob and, like me, he applied to the student ___exchange program.

她参加了一个交换项目，在日本度过了一年。

She participated in an ___exchange program and spent a year in Japan.