He had a lot of friends, only a few of ______ invited to his wedding.
To make members of a team perform better,the trainer first of all has to know their _____ and weaknesses.
You have been sitting on my hat and now it is badly out of______。
Always read the_______on the bottle carefully and take the right amount of medicine.
At the meeting they discussed three different_______to the study of mathematics。
He was chosen _________ of the company.