A. four B. molten C. first aid D. believe in A. cross B. foreign C. spray D. fourteen A. sewage B. suspicious C. nine D. volt A. sailor B. one C. offshore D. ventilation A. fifteen B. just now C. translate D. smelly A. clear out B. district C. tree D. nest A. why B. impersonal C. junior high D. farm A. cucumber B. boot C. big D. ask A. as a result of B. small C. emission D. ecology A. raising B. say hello to C. rust D. dog