将句子用关系代词或副词连成含定语从句的复合句。

The clever boy made a hole in the wall．He could see what was happening inside the house through the hole．

将句子用关系代词或副词连成含定语从句的复合句。

He lived in a big house．A tall tree stood in front of the house．

将句子用关系代词或副词连成含定语从句的复合句。

The man is a relative of mine．You spoke to him just now．

将句子用关系代词或副词连成含定语从句的复合句。

This is a pen．I wrote the letter with this pen．

将句子用关系代词或副词连成含定语从句的复合句。

I’ll never forget the day．I first met him on that day．