Some of my friends are interested in science,but none of them can tell A when UFOs will appear next time B why do horses know the wayC where was this kind of plant found D how do elephants communicate
Kevin, _______ boy, is from New York.
-Jack is a clever boy. He is good at all the subjects. -Yes. All of us want to recommend him_______ the Best Student Award.
-Is the room only for Amy? -No, it's_______.
-Who's_______ pretty girl in pink over there? -She's a friend of_______.
--____ is your father? --He is fine. Thank you.