选词填空补全短文

My name is Sarah. Tomorrow is  . We have no  . My parents aren't going to , but we are going to be very tomorrow. My mother is going to something for next week. My father is going to his friends. I am going to the bookstore by bus. Then I am going to buy a  . In the evening we are going to have a big   with my grandparents. After that we are going to the  . I think we are going to  a happy weekend.