I ________worry about my weekend—I always have my plans ready before it comes.

Miss Li regards all her students _______ her children. 

— Congratulations! You’ve got the first prize in the English Contest.—_____ it be true? It’s unbelievable!

There is a “ No smoking “ sign here. You _________ smoke.

Zhanglin was lost in computer games during his last year in high school, otherwise he_______ a student at Beijing University.