28. No decision about any future plan until we have done a thorough research of the teachers’ preference.
Co-operation or teamwork, the importance of which is often ________, plays an important part in football matches.
–Mr. Smith is no longer ________he used to be. --So he is. Success and wealth have _________ his character.
___ you are familiar with the author’s ideas, try reading all the sections as quickly as you can.
The present situation is very complex, so I think it will take me some time to ____its reality.
In summer people often wear dark glasses as _________ against the bright sunshine.