At that time, he spent as much time as he can _______the ancient status which would be sank in the river.
There is still one point _____ we must make clear in this case.
We should help people who are in trouble. _____, if we become desperate, they will lend us a hand.
–But for your timely warning, we _____ into great trouble. --Well, you know we are friends.
_____ for drunk driving, obviously, is now of great public concern.
Tom asked me to make a _____ if I was serious about our relationship.