The film is good.We watched it last night （合并为含有省略关系词的定语从句的复合句）
问题描述：
The film is good.We watched it last night （合并为含有省略关系词的定语从句的复合句）
答
The film (that/which) we watched last night is good.
答
The film was good which we watched last night
答
the film （that）we watched last night is good