从括号内选择合适的单词完成句子。
It’s polite to shake hands with ________ (other; others) when you meet someone.
The police are in search of the _______ (missing; miss) boy.
We waited over an hour for our dinner, because there ________ (are; were) many people in the restaurant.
We can’t find Tom. Maybe he has _______ (been; gone) home.
I _________ (was watching; watched) TV at that time.