Unit 4 I used to be afraid of the dark. 3aSelf Check 【学习目标】1复习本单元词汇并掌握新词汇：general (adj.) introduction(adj.)2学会用used to 句型、一般过去时和一般现在时谈论自己在外貌、性格和爱好方面的变化。【重点】【难点】1.used to句型的运用。2.综合使用used to结构、一般过去时和一般现在时谈论自己在外貌、性格和爱好方面的变化。写作：根据表格写写你身上已经发生的变化。In the past（过去）Now appearance（外貌） short and thintallshort straight hairlong curly hairpersonality（个性）shyoutgoingquietactiveHobbies（爱好）musicdanceHow Ive Changed! My life has changed a lot in the last few years. I used to _.Now Im_. The biggest change in my life was_.This is the most important change because _。