—I remember you were a talented pianist at college. Can you play the piano for me?—Sorry, I __________ the piano for years.
.A big earthquake hit Yushu, Qinghai province in the early morning, and if a little later, many more people _______.
.After graduation I’d like to find a job I can use what I have learnt at school.
.—Haven’t I told you that I like the beef well-done?—Yes, but I _______ it longer than I usually do.
.How long do you think ______ the Ford company launches a new model?
.Class regulations require ____is the last to leave the classroom ___off all the lights.