vehicles Then,Sswork in pairsand completethe exercise C h e c kS s ' a n s w e r s Suggested AnswerKey o M o d e lt h e d i a l o g uw e i t h t w o 5 s ,t h e na s kv a r r o u s Thefirefightersput on theirgas masksandenteredtheblazing p a r r st o p e r f o r mt h e i r d i a l o g u eisn f r o n t o f t h e houseto savethefamily. class Acidrain isdestroying thetropicalforestsof theAmazon. 4nswerKey(Seeoverprinted answers) Thegreenhouse effecthasled to manyiceareasmeltingand sealevelsrising. Suggested
vehicles Then,Sswork in pairsand completethe exercise C h e c kS s ' a n s w e r s Suggested AnswerKey o M o d e lt h e d i a l o g uw e i t h t w o 5 s ,t h e na s kv a r r o u s Thefirefightersput on theirgas masksandenteredtheblazing p a r r st o p e r f o r mt h e i r d i a l o g u eisn f r o n t o f t h e houseto savethefamily. class Acidrain isdestroying thetropicalforestsof theAmazon. 4nswerKey(Seeoverprinted answers) Thegreenhouse effecthasled to manyiceareasmeltingand sealevelsrising. Suggested
vehicles Then,Sswork in pairsand completethe exercise C h e c kS s ' a n s w e r s Suggested AnswerKey o M o d e lt h e d i a l o g uw e i t h t w o 5 s ,t h e na s kv a r r o u s Thefirefightersput on theirgas masksandenteredtheblazing p a r r st o p e r f o r mt h e i r d i a l o g u eisn f r o n t o f t h e houseto savethefamily. class Acidrain isdestroying thetropicalforestsof theAmazon. 4nswerKey(Seeoverprinted answers) Thegreenhouse effecthasled to manyiceareasmeltingand sealevelsrising. Suggested
vehicles Then,Sswork in pairsand completethe exercise C h e c kS s ' a n s w e r s Suggested AnswerKey o M o d e lt h e d i a l o g uw e i t h t w o 5 s ,t h e na s kv a r r o u s Thefirefightersput on theirgas masksandenteredtheblazing p a r r st o p e r f o r mt h e i r d i a l o g u eisn f r o n t o f t h e houseto savethefamily. class Acidrain isdestroying thetropicalforestsof theAmazon. 4nswerKey(Seeoverprinted answers) Thegreenhouse effecthasled to manyiceareasmeltingand sealevelsrising. Suggested
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