英文阅读填空题,
Read what Mrs.Gerbil said and complete the sentence with so or because.
It was the first time I had ever left my family.Myparents were at the airport and my grandparents had come too.I was only goingaway for one year,and I was really excited.But my parents acted like I wasnever going home again!Especially my mom – she was crying at the airport andmaking so much noise!

Mrs.Gerbil's mom thought that she would not see herdaughter for a long time（             ）she cried.

括号中只能填7个字母.