合并为含有定语从句的复合句The classroom is very beautiful.The students st

合并为含有定语从句的复合句
The classroom is very beautiful.
The students study in the classroom.
答：1.The classroom where the students study is very beautiful.
1.1 The classroom in which the students study is very beautiful.
1.2.The classroom (which/that) the students study in is very beautiful.
2.The students study in the classroom which is very beautiful.
2.1 The students study in the classroom that is very beautiful.

The classroom where the students study is very beautiful.

The classroom where the students study is very beautiful.

The classroom where the students study is very beautiful.