Last weekend was a busy time for our family. On Saturday , my parents went shopping for clothes. My brother， Gray played basketball with his friends. My sister ，Gina stayed at home in the morning and played the piano. I stayed at home, too. I studied for a math test. In the afternoon ，I went to the beach..
On Saturday evening, my family and I had dinner at home. Then we went to the movies.
On Sunday morning, my family stayed at home. Gina and I cleaned our room., and Gray played computer games. In the afternoon my grandparents visited us. We were happy to see them. They stayed at our house for dinner. After dinner, we watched TV. I was tired on Sunday night. I went to bed early.
根据短文内容，判断句子正（A）误（B）
I stayed at home on Saturday morning.
Gina is Gray’s aunt.
On Saturday evening ， my family and I went to the movies.
Gray cleaned his room on Sunday morning.
I went to visit my grandparents on Sunday afternoon.