—Where did you get The Frog written by Mo Yan?—I picked it up from a bookshop online if you ________ know.

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

 --Listen! Marry is singing in the next room. -- It __   ___ be Marry. She has gone home.

For those who            go to college, there are still hundreds of high-paying jobs that only require a high school diploma.

---Must I learn the new words in heart today?---No, you _______. You ______ do it tomorrow.