—Where will you start your work after graduation?—Mmm, it's not been decided yet.I________continue my study for a higher degree.

-- Mum，can I go on a holiday with my classmates this summer vacation?-- OK．You __________ have a chance if you get along well with your studies．

—Where _____ Mary have put the empty bottles? — She _____ them away. They must be somewhere. 

—May I smoke here?    —If you _____, choose a seat in the smoking section.

 ----Must I finish the work today, Mom?----No, you _______________. You can finish it tomorrow.