How long have you learnt the piano —- ______ two years ago.

I’d like to play football with you, but I have an important thing to attend to. —If you don’t go, __________.

58It is said that a collection of paintings by David is _____ exhibition at the Museum

Liu Ying is ________ student in the class. So she always gets the best grades.

I think I’m ____ to go back to work.—I’m afraid not. You must stay in bed for two more days.[ ]