单项选择题
A. let down B. step down C. put down D. come down
A. Dead Mixer=Alcohol+ Tobacco B. Alcohol and Tobacco Are Dangerous to Health C. Tobacco Contains a Lot of Toxic Compounds D. Interaction of the Alcohol and Tobacco
A. some managers are really foolish people B. it’s cruel to cook lobsters C. people tend to become complacent D. bad environment calls for immediate action