Lucy and Kate are English girls. They are twins. They are studying Chinese in Beijing now. In their class, there are fifty-two students. There are twenty-eight boys and twenty-four girls. Where are the twins? Look, they are sitting near the door of the classroom. Lucy is wearing a red coat. Kate is wearing a yellow sweater. They are having a Chinese class.
（1）The two girls are twins. They are in a school of China.        （   ）
（2）Lucy and Kate are in the same class.                           （   ）
（3）Lucy is in a yellow sweater.                                   （   ）
（4）Now they are studying Chinese in the classroom.                （   ）
（5）There are twenty-eight girls in their class.                   （   ）