In the last few years thousands of films ________ all over the world.

A．have produced  B．have been produced

C．are producing  D．are being produced

— 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

If you plant watermelon seeds in the spring，you ________ fresh watermelon in the fall.(2010·浙江)

A．eat  B．would eat

C．have eaten  D．will be eating

I feel so excited！At this time tomorrow morning I ________ to Shanghai.(2012·辽宁)

A．will be flying  B．will fly

C．have been flying  D．have flown

I have to see the doctor because I ________ a lot lately.

A．have been coughing  B．had coughed

C．coughed  D．cough

—Why，Jack，you look so tired!

—Well，I ________ the house and I must finish the work tomorrow.

A．was painting  B．will be painting

C．have painted  D．have been painting