---Could you please come to the museum with me this afternoon?---Sorry, I ______ . I have to take a piano lesson at 2 pm.

----Shall I go and buy more food and drinks for the party ?----- No, we have prepared a fridge of those.That ____ be quite enough.

— Peter was admitted to a second－class college.— He ________ a top university, but he was addicted to playing computer games.

 —Mom, I did not pass the exam.—What a pity! You     it.

If you ________ carry with you the belief that whatever you do is right, it’s none of my business.