-What do you think of the music teacher?- she is an elegant lady, she can be extremely difficult to work with.
Don’t respond to any e-mails ______personal information, no matter ______ official they are.
She may have missed the train, ______ she won’t arrive for another hour.
There are more opportunities for disabled people to make______ contribution to______ society.
---What’s wrong with my stomach? ---There is nothing serious; you can __________.
It was the training _____ he had as a young man _____ made him such a good engineer.