把下列句子合并成含定语从句的复合句
问题描述：
把下列句子合并成含定语从句的复合句
1.They like those books.Those books have scary monsters.
2.I like the people.They are honest and clever.
3.I love singers.They sing their own songs.
4.The park is in the centre of the city.I visited it yesterday.
答
1.They like those books which have scary monsters.2.I like the people who are honest and clever.3.I love singers who sing their songs.4.The park which I visited yesterday is in the centre of the city.