John and I _____ friends for eight years. We first got to know each other at a Christmas party. But we ____ each other a couple of times before that.
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.