A. birdwatching B. yield C. rhino D. accomplishment A. harp B. impressionist C. hybrid D. whimsical A. earn B. yeast C. philosophy D. cash crop A. once more B. do the dishes C. temper D. replace A. biochemistry B. quickly C. tower bridge D. friendly A. dusk B. look forward to C. explosion D. radical A. military B. safety rule C. fighter D. cosmology A. explode B. necessary C. case D. Greek A. keep a diary B. rocket C. lower D. dismay A. colony B. producer C. discard D. of course