A. come back B. take one's order C. civilized D. left A. show B. police station C. can't help doing D. extend A. enjoy B. complete C. machinery D. remarry A. wool B. bulletin C. behind D. back to back A. imaginative B. in order to C. lively D. pay phone A. call up B. prehistoric C. suspect D. front A. one-to-one B. neighborhood C. apartment D. goodwill A. guard B. go along C. make an effort D. pristine A. crossing B. obstruction C. fossil man D. hurt A. go to work B. farm C. sunshine D. yell