By the time I pay off all the money that I borrowed from the bank when I bought my house, I will have been ________.
The managers discussed the plan that they would like to see _______ the next year .
You ______ tell Margaret --- I don’t want her to know about this matter .
Human beings are different from animals _____ they can use language as a tool to communicate.
The Chinese parents don’t care what a hard life they themselves live but are determined that their children receive ______.
_____ so much electrical equipment , wood and paper in one place , there is a danger of fire .