A. protect B. astronomy C. bean D. the poor A. same as B. realize C. field D. spellbind A. transistor B. transform C. promise D. classmate A. joke B. constitute C. curtain D. dig out A. choice B. wag C. detective D. soup A. keep in touch B. ask for C. soccer D. key A. impair B. What's the matter C. participate D. rob A. twenty-third B. set C. snore D. fill out A. ice B. discard C. sincerity D. instead A. population B. belong C. at most D. correct