As teenagers of the 21st century, we should be ready to _____ the challenge of society. 

You have nothing to___ by refusing to listen to our advice.

I thought that maybe my words will play a role, but when I_______ her to give up smoking, I failed. 

 In class the professor__________ the finance project in simple but vivid language to make it easier for us to understand. 

—May I speak to Mr.Smith?—I am afraid not.He is at a meeting now.It's not ________.