A. lot B. by hand C. viperine D. occasion A. rhino B. black-and-white C. live D. distinguish A. certificate B. a number of C. Christmas Eve D. very much A. border B. zone C. of D. subscribe to A. palm B. talk C. beef D. say A. drifting B. Korean C. study D. doll A. often B. overfish C. freeze D. stove A. cake B. many C. here you are D. advanced A. singer B. tons of C. revise D. speak A. end B. pet C. dilemma D. ridge