A. fast food B. international C. goodbye D. carelessness A. old B. byproduct C. forward D. eat breakfast A. concert B. Tian'anmen Square C. concoct D. arouse A. collection B. sad C. field D. manned A. squeak B. guilty C. compare to D. print A. researcher B. opening C. move D. shelf A. cheque B. renewable C. accept D. guard A. help out B. telesurgery C. high-rise D. penguin A. hear from B. vehicle C. unlikely D. connect A. station B. prepare C. Dragon Boat Festival D. Greenwich