—Does your mother often surf the Internet ?—Yes, ___________ she doesn’t buy any thing on line.

Don’t run in the classroom,       you may hurt yourself.

–Kate, do you know ________ it is from here to the gym?–About twenty minutes’ walk.

—Susan, what are the advantages of MP5 players?—Mom, they are smaller and lighter ______ they can be carried very easily.

You won’t feel happy at school ___ you get on well with your classmates.