A. tug of war B. defy C. low D. mask A. strongly B. put out C. play the piano D. well A. hope B. appoint C. mobile phone D. airmail A. infection B. milk shake C. suddenly D. anger A. Beijing Opera B. hang C. unfortunate D. steadily A. wandering B. appeal C. cold D. just a minute A. bright B. power C. automatic D. discourage A. warm B. nursery C. put off D. Chinese book A. element B. later on C. milkweed D. outlandish A. piano B. sunglasses C. clay D. authentic