A. natural B. crayon holder C. plus D. critical A. be supposed to B. thanks to C. address D. in disguise A. treatment B. submissive C. center D. generation gap A. insignificant B. despair C. hide D. grow up A. foggy B. midnight C. pardon me D. communication A. lemonade B. wax C. rose D. homeless A. make progress B. crack C. relative D. microscope A. of one's own B. constant C. class D. probably A. pasture B. billion C. fear D. help oneself A. erase B. squadron C. helper D. connect