It’s difficult-------- me to learn English well.

—Let’s go to watch the cosplay show! —Sorry, I       . I have to go to my guitar lesson. 

This printer is of good quality. If it ________ break down within the first year, we would repair it at our expense.

"Those responsible for the accident      be punished while those contributing to solving the problems be rewarded," promised the official then and there.

—Congratulations! Among the best pictures in the competition，I found _______. Why did you draw it?一During the trip to the Yellow Mountain _______ May.