A. substance B. turning C. Russian D. typewriter A. different from B. suffice C. whether D. cricket A. mitten B. spin C. pound D. off A. the Opera House B. stranger C. case D. guest A. official B. buoy C. ceaselessly D. unlike A. surfboard B. bowl C. gift D. Statue of Liberty A. decoration B. biography C. letter D. flight attendant A. attach to B. nature shows C. elderly D. make a decision A. twenty-seven B. tip C. winkle D. megacycle A. swarm B. collide C. chopstick D. lower