A. roller coaster B. have to C. opera D. compete A. up B. awesome C. kidnapping D. sorry A. ticket B. cookie C. afraid D. ski A. tetrahedron B. racing car C. evening D. colorful A. sleep B. the British Museum C. guitar D. ha A. dog B. call C. nowadays D. terror A. down B. go straight on C. space D. forget A. back B. in pieces C. Tuesday D. twenty-seven A. engineering B. without doubt C. picnic D. at an end A. impressionism B. snore C. noise D. fly