——Why did Tan become interested in the sounds of nature?——__________he thinks the best music comes from nature.
---- I’m very tired these days because of studying for exams. -----Why not _____ music. It can make you _____.
It’s kind ___________Simon to give us ________advice.
—Could you tell me ____?—It’s twenty minutes by underground.
—Remember to turn off the lights before leaving the classroom, children.—______.
—How well do you know the Opera House?—I know the place very well. I ____ Sydney many times.