106. The stone steps up to the mountain temple had been worn ______ by centuries of visitors from every part of the world.
If the firms failed to make enough money,they would______.
Emergency line operators must always___calm and make sure that they get all the information they need to send help.
This magazine is very___with young people,who like its content and style.
It is none of your businessother people think about you.Believe yourself.
—Do you need any help,Lucy? —Yes.The job is _______ I could do myself.