选择正确的单词完成句子。

1. — Have you ever been to Europe? 

    — No, but I __________ (have been/went) to Africa last year.

2. — Have you ever been to my house? 

    — No. But I'm coming to your party__________ (tonight/this night).

3. Has Victor__________ (been ever/ever been) to China?

4. In future, people will __________ (spend/waste)a long vacation every year.

5. He is an__________ (exchanged/exchange) student in this school.