Chinese students must_______ their hands first and then _______ to speak in class.

Of all my classmates,     often goes to the Internet café to kill time.

He runs       fast        nobody can catch up with him.

 - Have you seen_______ boat in my living-room? - Yes, it's not_______ real one, but it's_______ best model I've ever seen.

.---Is it _________ our school? ---No. it’s about three kilometers ________.