根据课文内容填空。 (5分) Amy is my _____1___ friend. She is a __ 2_ ______ of the Swimming Club. She is a very good ____ 3 ______. We always ____ 4 ____ a good time at school. We often dress up ____ 5 ___ Halloween. We wear ____ 6 ____ costumes ___ 7 ____ masks. We sometimes ____ 8 ___ our faces and people do not know ____ 9 _____ we are. It is ____ 10 ______. This year, I will wear a tiger costume.