it is kept in the room by us 和 it was kept in the room by us 和it is being kept in the room by us具体意思有什么区别啊

it is kept in the room by us 和 it was kept in the room by us 和it is being kept in the room by us具体意思有什么区别啊 请翻译our clavichord is kept in the living room.that’s where we keep it The ( ) it is kept,the sweeter it will be once the body is forzen,it is kept in liquid nitrogen at a temperature of 328 degrees below zero.翻译 the Big Ben is f_ place ro visit in _ Is it kept in hand now?为什么不是keep Our clavichord is kept in the living room.这句话中,为什么要用is kept? ：our clavichord is kept in the living room,that's where we (keep)it为什么不能are keeping All cur glass and china is kept in the c____ 帮忙看看下面的英语句子The moon is our nearest neighbour in space,and like ourselves it is kept tied to the earth by the earth's gravitational pull.请问kept tied to the earth Our clavichord is kept in the living room.That's where we keep it 里That's where we keep it 求翻译 My computer is kept in my living room.That's where ______ it.My computer is kept in my living room.That's where ______ it.A）kept B）have kept C）are keeping D）keep 英语病句查询帮忙找找语病在哪 急 1.They have kept cats in many years.2.The room is very clean now.Who is clean it? 有些朗文新概念英语第二册上的问题1.P51页：our clabichord is kept in the living room.that;s where we are kept it.为什么这儿选kept不选have kept不选完成时呢2.P51：who bought it?grandfather did 为什么选bought不选did the rest of food --------in the refrigeratorA：keep B：keeps C：are kept D：is kept给个理由、 翻译“the longer it is kept ,the sweeter it will be ,it is also like a cup of tea . 超难度英语选择题None of lus knew about the plan because it ______ a secret.A.kept B.keeps C.is kept D.was kept Our clavichord is kept in the living room.这句话里为什么要用kept这个词呢?