Many students ______ their resolutions last week. However, ______ students can keep their resolutions, because it is hard to keep them.
--Would you like to do ______ to protect our earth? -- Of course, I’d love to. A.anything useful B. useful something C. 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 doing C.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