The girl is at school. __________ is busy with her work.

Today’s teens don’t see anything strange in thefact _______the computer takes up a central place in their social lives.

________ you play the piano for us—Sorry, I can’t play the piano, but I can sing foryou.

I think it’s really _________ hard work for me tofinish the job in twenty minutes.

Today acupuncture has become popular round the world, ________ have other traditional Chinese medicines.