All the police went out ________ the missing boy.

Mum，I’ll take exams after National Day holiday. I’m a little bit stressed.— Believe in ______. I think you’re very excellent in your class.

How long has the meeting _______ — Just a minute. I willcheck the time.

A small plane crashed into a hillside five miles east of the city, _____all four people on board.

I often help my mom do some cleaning _______ Sundays.