自我介绍（introduce myself）
      hello, my name is gu siyao. my english name is hellen. i am 12 years old. i form xiouzhou experimental shool. i love my school. because my school is very beautiful and big .the trees are green and the sky is blue. the classes are interesting and exciting. the teachers are not strict. and the students are very lovely. they always help each other. my favourite food