根据汉语意思完成句子，每空一词
1．这个新机场是去年建造的。
This new airport __ last year.
2．电脑在世界上被广泛使用。
Computers widely in the world.
3．这个新饭馆开业不到一周。
This new restaurant for less than a week.
4．教室的窗户应当每天都打扫。
The windows of the classroom every day.
5．如果一吃完，你就离开是相当无礼的。
It's quite rude if you leave ____ ___ you finish eating.
