To be an excellent runner, you must be prepared to _______ much hard work.

With more forests being destroyed, humans have to _______ a lot from what they have done.      

In 1998, when he was only 19, Bill _____ to 5 years in prison for his acts of violence. 

The audience waited until the curtain rose and then          laughter at the sight of the funny actor.

Few people__________ in the terrible earthquake, which shocked the nation.

As a result of the terrible earthquake, the population of this small town _____ by 20%.

In a new study of African elephants，researchers have    four distinct characters that are among a group.

Online music providers in China hope to set up a plan that will charge individual users for music    

I really appreciate     to drive me home，but I am afraid that I have to finish my work first now.

—Will you give me some suggestions on my job interview?
—Smiling is a great way to make yourself ____________.