A. talent B. greenhouse C. valid D. toll A. tiger B. concrete C. ourselves D. effortlessly A. outwards B. catchy C. stupid D. problem-solving A. race B. fervently C. smart D. nuclear A. as well as B. victory C. hardship D. misspelled A. sheriff B. herself C. arbitrary D. patent A. Thailand B. excellent C. kimono D. European A. competent B. mammal C. impossible D. star fruit A. dusk B. voice C. orange-and-white D. anecdote A. alive B. a great number of C. strength D. convention