People are really ______________ on the beach in summer (夏季).
Only ten boys in our class use the Internet to get information, ______ use it to play games.
— When did he go to summer camp? — He _____ to summer camp five days _____.
______ hard work he was doing!
He usually ________ his bag ________ magazines and story books.
--- , is Jim American? --- , I don’t know.