Do you know Mozart? — Of course. He wrote _____ of beautiful pieces of music.

My mother spent about 2,000 dollars ______ the piano.[ ]

_____ of them knows Japanese, so I have to ask a third person for help.—You’d better ask Tom for help. He is good at Japanese.

There is a dog _____the third tree_____ the left.[ ]

This is the ______ bag ______ lost yesterday, but it’s not mine.