1.—I can’t stand you! I’m leaving.
       —        . See if I care.
       A.No problem           B.Come on                 C.No doubt                D.Go ahead
2.Remember, better health         in feet, Walk more, feel the difference!
       A.measures                B.has measured           C.is measured             D.was measured
3.Memorial Day is a US national holiday       to remember those who gave their lives in the service of the nation.
       A.set aside                 B.put up                    C.put on                    D.set up