A. boxing B. plum C. koala D. solid A. instruct B. hinder C. take medicine D. rush A. fright B. tsunami C. and D. oneself A. unhappy B. expedition C. far D. the Great Wall A. fill With B. preference C. global D. record A. thin B. contemporary C. multiple D. shortly A. dispute B. airfield C. exist D. train A. regret B. a great deal C. willing D. station A. strong B. had a cold C. narrator D. bride A. hamburger B. repetitive C. sea D. act