A. opportunity B. hear C. curiously D. rooster A. by train B. pass C. dishwasher D. gratitude A. hammer B. hunt C. crust D. them A. visit B. be concerned about C. high blood pressure D. smartphone A. nature shows B. insidious C. know D. survival A. prompt B. the Great Wall C. half past one D. rust A. her B. seedling C. want D. universe A. travel B. ago C. retrace D. in search of A. place B. crash C. freezer D. taller A. pow-wow B. the same to C. hooray D. lake