1.The pencil you bought is very cheap. The pencil on the desk is very cheap. 合并:The pencil you bought,which is on the desk is very cheap. 2.The boy you saw is my brother.
The pen you bought is very cheap. The pen on the desk is very cheap. The pen you bought which is on the desk is very cheap. The boy you saw is my brother.
The pencil you bought is very cheap. the table on the pencil is very cheap. the boy you saw is my brother. the pencil on the table which you bought is very cheap
The pencil you bought it is very cheap The pencil on the desk it is very cheap The boy you saw is my brother The pencil you bought which is on the desk is very cheap The boy you saw is my brother