A. cheer up B. troop C. first floor D. gray A. out of order B. such that C. revision D. the poor A. nerve B. clean the door C. decision-making D. at first A. moor B. temperature C. slap D. inconceivable A. vivify B. poor C. mistake D. by means of A. outdoor B. as though C. hers D. haircut A. privilege B. introduction C. motorbike D. ground floor A. indoor B. drop C. penguin D. burgle A. sweep the floor B. escape C. nicotine D. desolate A. weekly B. Wet floor C. kidnapper D. campfire