—What _______ the number of the students in your school?—About two thousand. A number of them _______ from the countryside.
Can you tell me ________ ?
--- ________ did your uncle leave his home town?.--- Let me see. He _______ for nearly twenty years.
--- My father’s new cellphone can be used ______ e-mails.--- Is he used _____ on such a small screen?
--- ________ is the theme park?--- It’s about half an hour’s bus ride.
--- Did you notice him come into the hall?--- Sorry, sir. I _______ with my friends online.