--- ______ hard work you have done! --- It’s very kind of you to say so.
--- Didn’t your brother ________ go to school by bike? --- Yes, he did. But he ________ walking to school now.
You don’t know _____ I want to see you again. It’s a year since I last saw you.
With the help of the Internet, news can _______ every corner of the world.
Don’t forget to __________ your school things when you have finished your homework .
of the surface of the earth covered with water.