A. excuse B. put off C. cobra D. frog A. next B. jazz C. vacuum D. classmate A. plan B. reach C. keep in order D. rediscover A. office B. hold up C. alienate D. home and abroad A. crowd B. facial C. gradually D. ten A. cellar B. background C. homeroom D. call up A. far away from B. may C. adjust D. swimming pool A. northwestern B. vary C. bring out D. first A. lab B. see you C. inexpensive D. terror A. borrow B. bedding C. endanger D. difficult