To keep up with their work, the vast majority of office clerks today must read letters, reports, trade publications, interoffice communications, to say _______ of newspapers and magazines.
There is a common belief among them _______ rubbish can and should be put into good use.
We never doubt ______ our school team will win the match against No. 3 Middle School.
The teacher usually grades the students on _______ they have behaved.
Once _____, it won’t be easily forgotten.
_______ David says sound right to Helen. That’s why he has made up her mind to leave the matter to him _______ happens.