－Will you stay for lunch?
－ Sorry, I _____. My mother is coming to see me.
| A．mustn’t | B．can’t | C．needn’t | D．won’t |
— Alvin，are you coming with us?
—I'd love to，but something unexpected ________.
| A．has come up | B．was coming up |
| C．had come up | D．would come up |
—I remember you were a talented pianist at college.Can you play the piano for me?
—Sorry，I ________ the piano for years.(2012·湖南)
| A．don't play | B．wasn't playing |
| C．haven't played | D．hadn't played |
—Look！Somebody ________ the sofa.
—Well，it wasn't me.I didn't do it.(2012·江西)
| A．is cleaning | B．was cleaning |
| C．has cleaned | D．had cleaned |
Daniel's family ________ their holiday in Huangshan this time next week.
| A．are enjoying | B．are to enjoy |
| C．will enjoy | D．will be enjoying |
—Guess what，we've got our visas for a short－term visit to the UK this summer.
—How nice！You ________ a different culture then.
| A．will be experiencing | B．have experienced |
| C．have been experiencing | D．will have experienced |