A. call back B. keep in touch with C. own D. disagree A. blackberry B. give a helping hand C. development D. deduce A. close B. be fond of C. be from D. education A. Florentine B. attach to C. arrangement D. consider A. rope B. goods C. flea-ridden D. ceiling A. imperceptible B. affect C. composition D. dinner A. sweet potato B. progress C. catch up D. far away A. poison B. monster C. forward D. sort A. diagram B. grandson C. underwater D. enough A. passionately B. succeed C. officer D. hydro-electric