Because or So?

1.                    Ruby enjoys cooking ____ so ______ she invited all of her classmates over for dinner. 2.                    Everyone enjoys a good home-cooked meal ____ so ______ everybody went to Ruby's house. 3.                    Taka ate two plates full of food __ because ________ he was very hungry! 4.                    Larena and Tammi shared a plate of food _ because _________ they like the same things. 5.                    Maria is a professional bartender _______ so _______ she mixed drinks for everybody. 6.                    There were lots of lemons on the table ____ because ______ Sam brought a big bag full of lemons. 7.                    Sara is a musician ____so______ she played the piano and sang to entertain everyone. 8.                    Leo and Kazu danced in the middle of the livingroom ____ because ______ they love to dance. 9.                    Filiz asked for the recipe ____ because ______ she loved the dinner. 10.                 Delma also loved the dinner ___so_______ she asked for the recipe too. 11.                 Ruby's recipe is a secret family recipe _so_________ she couldn't give it away. 12.                 Filiz and Delma were disappointed _____ because _____ Ruby wouldn't share the recipe, but they understood why. 13.                 Ruby worked very hard to prepare the meal ___so_______ she was very tired. 14.                 Lenny, Sandy and Sassy cleaned off the table ___ because _______ the dishes could be washed. 15.                 Abrahim, Hiro and Kadir offered to wash the dishes ____ because ______ poor Ruby was really tired. 16.                 All the classmates said, "Thank you!" ____ because ______ they enjoyed the dinner. 17.                 It was getting late ____so______ everybody started leaving. 18.                 Ruby slept for two days ____ because ______ she was exhausted! 19.                 When we are giving a reason, we use ____ because ____ . 20.                 When we are showing results, we use ___so_____ .