it is time for us____(have) a rest.适当形式填空~

请问：It's time for us___(study) hard. It‘s necessary for us___(learn)English well说明原因 It is time for school It is time for go it is time for ~~`~~·~~~~~~~``~~~~~~ it is time for sleeping it clock it is time for造句 it is time for bed同意句 it is time for是不是 用过去式 It is time for后加什么 it is time for having supper. it is time for什么lunch It is time for class.(冋义句) is it time for _(乐趣) It is time for sports 什么意思 It is time for class 什么意思? 英语It is time for dinner是什么意思 all of us后面加is 还是are All of us___ a part of it.