we spent 50 dollars buying the bag（意思相同）

we spent 50 dollars buying the bag（意思相同）
The bag ____ _____50 yuan
All the young people are greatly interested in pop songs（意思相同）
All the young people ______great _____in pop songs
My father is a professor So is my mother（意思相同）
My_____are______professors

cost us
have interest
parents both