A. cooperation B. school begins C. magic D. mitten A. clam B. permanent C. ballad D. actress A. if B. hen C. go to college D. tramp A. worthwhile B. potential C. novel D. hovercraft A. special offer B. DIY C. swift D. college A. economical B. disguise C. twentieth D. achieve A. equip B. well-known C. teahouse D. room A. have a cold B. cowboy C. weekend D. show A. ticket B. rip C. describe D. by mistake A. expression B. end C. instant message D. out of order