Sara  _____  a stomachache. So she ____ eat anything for twenty-four hours.

–Zhou Libo can always ____ some special ways to make his talk shows more popular in China.–Yeah. He is very smart and creative.

—What is your best friend like?.—He is a helpful student. He often helps the teachers _____ papers.

 The mountain is so high that its top       snow all the year round.

---You are great! Congratulations on winning the first prize! ---Thank you! Mr. Yu You__________ me to practice again and again every day.