用关系代词或关系副词将下列每对句子连成一个复合句（5%）
The boy is my younger brother. He was here a minute ago.
The old man is a professor. He teaches chemistry in a college.
Beijing Hotel is near Tian An Men Square. The foreign visitors live there.
The woman is here now. You were talking about her.
This is the hall. We listened to the report in it the other day.