Rita and Anna have finished their homework, ______? A. have they B. haven’t they C. didn’t they
Could you tell me _________ find another interesting detective story to read?
A stamp is made _________ paper. Do you know what paper is made _________?
We can hardly tell what life without the Internet will be like in the future, _________?
It’ll be a great honour if I _________ to the charity evening party next week.
Some frightening pets _________ be kept home so that they won’t hurt others.