it was on the farm___we worked.填that,where有什么区别?

where did tou get to know the famous writer?it was on the farm__ we used work togertherAwhere Bwhich Cthat D/想问一下这里的it 指代的是什么it was in this park THAT my elder sister waved goodbye to me last year为什么又要用that It was on the desk just now How was the food on the plate?It was a() Was it very difficult to buy it on the It was on In the beginning,there was not much_____,but later on it was getting____and_but later on it was getting____and_____(雾） It was on the sofa__your dos is sitting it was because the same thing like that on yesterday. It was on the table ten minutes ago.(一般疑问句) It was on the table just now.改为一般疑问句 It was on the f___ desk a moment ago. It was windy on the hill改一般疑问句 on the highway什么意思看见过句子it was on the highway不知什么意思 It was on the desk just now.划线部分：on the desk对划线部分提问 It was on the ground just now.对on the ground划线部分提问 Mother was busy.Although she was not watching the basketball on TV,she _______ it on the radio.Aq it was the first newspaper sold on trains .sold前可加that was?为什么? In the beginning,there was not much_____,but later on it was getting____and_____(雾）