the party was over, thechildren were asked to _____the fire.

I don’t understand you. What do you mean________that

This means that, unless you say ________, no one can perform a piece written by you or make copies of it without your permission.

terviews are carried out ___ face to face in four cities including Hangzhou, Ningbo, Wenzhou and Shaoxing in Zhejiang province every year.

I think at the beginning of each book a__________ introduction to it is necessary.