-Are you familiar with the music? -Yes. There was a time _____ this kind of music was quite popular.
My cousin Gorge went to Shanghai in _____ twenties in ____ 1980s, and has lived there ever since.
. This new-type machine____________ little room.
--You don't look so well, Mary. What's the matter with you? --Why?___________.
China has hundreds of islands, ___________ is Taiwan Island.
Be quiet!Our teacher has _________ to tell us.