A. environmentalist B. question C. wow D. set about A. three B. futile C. as D. photographer A. Russia B. tree C. visual D. sign language A. behind B. they're C. privacy D. fond A. such as B. misery C. under D. independently A. one B. You're welcome C. lawyer D. reduce A. stop doing B. across from C. look up D. on A. noisy B. two C. eruption D. Scotland A. recede B. office C. oh D. workshop A. chair B. check over C. prelude D. moo