I. Complete the sentences with the words in the box. generous/ orphanage/ sociable/ planet/ next-door/ humor/ joke. 1.The Earth is the name of the ______ we live on. 2. He has a good sense of ______. He always makes people laugh. 3.After the death of his parents, he was sent to an ________. 4.Don’t do it as a ______. It’s a serious thing. 5.She lives next to my house. She is my ______ neighbor. 6.It was _____ of you to share your food with me. 7.Mai has a lot of friends. She is very ______.

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