After studying in a medical college for five years, John _______ her job as a doctor in the countryside.
I heard my sister ________ an English song when I passed by her room last night.
--What did our teacher say at yesterday’s meeting?--So you _______ to him carefully then.
Some teenagers like eating in fast food restaurant, ______ you can see everywhere in our city.
--May I park here?-- No, you _____. It is an emergency exist.
--Jack , you ____computer games the whole morning. You’d better have a good rest now.--Thank you, mum. I will.