A. fingernail B. contradictory C. artist D. naval A. mathematics B. heaven C. folk song D. effortlessly A. copy B. communications C. avoid D. better A. orange-and-white B. noise C. How nice D. railway A. timetable B. compare C. smart D. February A. Japan B. armament C. black-and-white D. not until A. watch films B. library card C. schoolbag D. mooncake A. hundred B. laugh C. misty D. cost A. reference B. satisfy C. western-style D. Mr. A. expect B. page C. escape D. go off