A. winter B. run-down C. Qomolangma D. three A. No smoking B. snout C. pen D. textbook A. bank B. these C. air conditioning D. on earth A. come B. entertainment C. alibi D. enclosure A. bed B. accompany C. tune D. preposition A. for instance B. birthday C. horsepower D. spacious A. contradictory B. poacher C. good at D. faint A. no picking of flowers B. test C. horrible D. decay A. cheer up B. concise C. debit D. five A. blessing B. sixty C. bark D. in a nutshell