It takes a long time to ____ a good name，but this name is quickly lost by just one piece of bad behavior.

____________, I wouldn’t have finished my homework.

I can’t believe that anyone else in the school can swim as fast as you, 　　　　?

Excuse me，am I going ________ the right direction?

As far as I see, ________ is no possibility ________ he will win the tennis match this time