it 主语 may not be谓语 that 到最后是 主语从句
从句中:
the students主语 who .desks定语从句 are系动词 lazy 表语
定语从句中:
the students 主语 nod off 谓语 at their desks 状语
it 主语 may not be谓语 that 到最后是 主语从句
从句中:
the students主语 who .desks定语从句 are系动词 lazy 表语
定语从句中:
the students 主语 nod off 谓语 at their desks 状语