不明飞行物的英语缩略形式是______。A.UFO B. BBC C. NBA
Internet is used _________ information for people , but still lots of people are used _________ information from books.
His brother’s life _________ a lot in these few years. A changedB. changes C. has changed D. had changed
—What’s paper made _________ ? —Wood.
— Do you need my help, Mary ? —_________.
—You_________ be happy with the strong public support you’ve received. —Yes, you’re right. I’m really excited.