is it time for class?的句子成分

is it time for class?的句子成分 it is time for class It is time for class的同义句 Oh,it is time for class的中文 It is time for class解释句子 It is time for class.(冋义句) It is time for class 什么意思? it is time for class 也可以说 it is time to class吗? 介词可以互换? it is time for class.这里为什么用for? it is time for her _______(have) an english class .It is time for class.Let's stop______(read)English for time music is it class (.)怎么造句