“Attention, please. Whoever can answer one of my questions______ receive a prize”, the teacher said in class.

Who will address the students from our school this evening? — ______ to be the speaker.

1Please stop talking . Our teacher has __________ to tell us.

____books in bed is bad for your eyes.

licies, ___ to insure that compulsory education is truly free,___ by the local government across China since the start of the school on September 1.