(2013·高考北京卷)Don’t turn off the computer before closing all programs，________you could have problems

Traditionally, college students hold a graduation ceremony to encourage themselves before they _______ on their life journey.

Why not go out and have a picnic today,Millie — ___________, but I willhelp Li Hong with lessons, she is new.

The money collected should be made use of ________the people who are in trouble.[ ]

As is shown in the movie, under no circumstances ________ faith and confidence.