commercial column complete compensate communication clumsy clearly circulate certification cent chief character cart catalogue captioned curious canal co-ordinate courteous convention correspondent continual container conform conductor customer crew compulsory create counsel convey construct crude curtain contest considerable consumer consignor consent confidential competitive company common civil colleague climax concerning chamber charter commence centre cease cargo calendar cut down canvas cushion currency cube cigarette criterion courageous credit cover costly correspond copy conversation contribute contract contact co-operate contemporary consult consistent consign consequently congress confirm confidence conclusion conceive comprehensive compliment compare complaint competent cut back crystal curve commonly curl committee comment crisis compact combine creative collection courtesy code count on closet cost client corporation classic copper circumstance convince circuit convenient context contrast chemical continuous charge channel contemplate chair China consumption ceremony construction centigrade consist cement considerate cause consequence conference cassette card congratulate confine carrier conclude computer candidate campaign complicated cafeteria capacity composition complain compete comparative community cylinder custom commission current commend cubic combination critical collect creditor coast craft clinic course clerk council claim correspondence circulation cordial circle childhood convertible check convenience characteristic co-operative contracted change continent chain content century contain consume celebrate constant category consignee cash conservation case connection carpet confirmation carbon confident capable conduct cancel concentrate camera comprise comply cable complement competition comparison companion communicate commodity commerce comfortable collective coin club climate classify citizen circular choice cheque chart certain central chapter challenge censor caution cast carry career capital candy can calculate