--When _______ you _______ to learn to skate?--Five years ago.
There is going to _______ a football match the day after tomorrow
They _______ some books from the library last week.
Liu Dehua, Zhou Jielun and Lin Junjie are famous _______ their pop songs.
Pop music is _______ music.
—How much is it _______ piano lessons? —It’s¥100.