责任产生于
Pens are used to write ______and paper is used to write ______.
I didn’t know ______.
–Is that Kate’s car? --It ______be hers. She has just gone for a meeting.
I used to _______ with my wife and watch TV movies at home.
—How’s now? --I hear the company ______ him a very good job, but he turned it down.