将函数$y=\sin x$的图象上所有的点向左平移$\frac{\pi }{6}$个单位，再把所得图象上所有点的横坐标缩短到原来的$\frac{1}{2}$倍（纵坐标不变），得到的图象的函数解析式是(    )

    My name is Jane. I'm a Chinese girl. I am 13 years old. There are ____ people in my family, my father, my mother, my sister and I. We get on ____ with each other. My father is a ____ (work), and he works in a car factory. He works very hard from Monday to Friday. My mother is a teacher and she ____(teach) in a middle school. Her students love ____(she) very much ____ she is a very good teacher. My sister is a nurse in No.1 hospital. I am ____student in Hangzhou No.1 Middle School. I am going to join the tennis club because I can ____  (play) table tennis very well. We all want____(live) happily at home. Every day____ (be) a good day because we love each other very much.