The ______ a teacher has on children is usually greater than that of their parents.
Li Ming won the first prize in the English speech contest and I’m glad that his efforts at last ____.
Although the teacher did not mention any names, everybody knew who he was ____.
It ____ be our headmaster. He has gone to Beijing.
---Would you like to go to the concert with me, Mary? --- I have got no interest in it; ____, I have lots of homework to do.
Papermaking began in China and from here it ____ to North Africa and Europe.