After class, I like playing computer games and chatting _______ my friends _______ the Internet.
You must remember that you ______________ feed the fish much.
It’s important __________ fire.
The piece of music sounds __________.
--________ is it from our school to Bridge School? --- Only 15 ___________. You can use my bicycle.
He speaks English ________ an American, so we all think he stays in America for many years.