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

te of the thunderstorm, the childrenslept _____ all night

How about Christmas evening party— I should say it was success.

I have no friends to talk with at school.— Don’t worry! I am sure you’ll _______ your classmates if you are kind and friendly to them.

______ does he go to Guangzhou on business —Three or four times a year.