阅读下面短文，掌握其大意，然后从每题所给的A、B、C三个选项中，选出能填入短文相应空白处的最佳选项。

Hello!1name is Sally Green. I'm twelve. I'm from the USA. Now I'm in BeijingNo.14 High School. I'm2Class Five, Grade Seven. I'm Number 4.Miss Gao3my English teacher. She is4old teacher. There is a pen, a ruler and two5in my pencil-box. Liu Ping is in Grade Seven, too. She is6Guangzhou. She is my good7. We are in8same class. Now she can9English well(好). I think(认为)she is a good girl. Look!10is that? She is Liu Ping.