Mike’s training for our school football team ______ a lot of his free time.
--Would you like to do ______ to protect our earth? -- Of course, I’d love to.A.anything usefulB. useful somethingC. something useful
—The dictionary is a useful _______ for understanding new words.—I think so.A. secret B. tool C. way
My mother asked me _______.A.what I was doing B. what are you doingC.what was I doing
Linda hasn’t finished her homework ______.A. already B. just C. yet
The population now is much ______ than that 20 years ago.A. large B. larger C. largest