A. collision B. silent C. clinic D. next A. bitter B. CD C. ugly D. parcel A. think over B. giant C. facial D. ultimate A. electric shock B. decision C. headline D. doorknob A. title B. not any more C. breathe D. speech A. mule B. Chicago C. lobster D. environment A. noise B. polite C. mount D. walk off A. mine B. fill with sth C. where D. win A. headmaster B. make a basket C. affect D. in the beginning A. nostril B. numb C. boss D. elderly