There used to be lots of old city walls in Beijing.反意疑问句如何用?There used to be lots of old city walls in Beijing的反意问句,是用"didn't there" 还是用wasn't there?理由是什么?

There used to be a lot of pandas,_______ ______? there used to be a lot of manatees是什么意思 There _______ a lot of trees in the park,weren't there?A use to be B used to be C used be there used to be a lot of trees around the village,为什么用 didn't it There used to be a lot of trees.变为否定句 There used to be a lot of tall trees on that mountain,_____?翻译疑问句 过去这儿常有很多鸟儿歌唱.There used to be a lot of birds (----) here. There _____ a lot of tigers there,but now they are endangered.A.were used B.used to C.used to be D.used to have说明原因喔,也要整句翻译吧 There ___ a lot of sheep in the hill.A.used to be B.use to be C.using to be D.will use to 1.我几乎不能相信我的眼睛的英文I ___ ___ ___ my eyes.2.There used to be a lot of animals here.(改为反义疑问句)There used to be a lot of animals here,___ ____? 反义疑问句：There used to be a lot of trees here,____there?为什么可以用weren't? used to反意疑问句There used to be a lot of trees.变反义疑问句有没有 used not there的或者是usen’t的?或者did not there? there used to be的意思!RT, 请问 There used to be a park. there used to be 与there was (were)有什么不同?there used to be与there was (were)有什么不同?都是there be 的过去形式吗?There used to be a lot of old walls in Beijing.的反意疑问句是什么? There( )quite a lot of kinds of fishes in the pool Awere used to being Bused to be Cused to haveD had 24 There （ ）a lot of trees around the house,（ A used to being；didn't there B are used to being；usedn't thereC used to be；didn't there D are used to be；usedn't there1 把题目和选项都翻译一遍2 说出正确选项3 解释为什么 24 There （ ）a lot of trees around the house,（ A used to being；didn't there B are used to being；usedn't thereC used to be；didn't there D are used to be；usedn't there1 把题目和选项都翻译一遍2 说出正确选项3 解释为什么