过去这儿常有很多鸟儿歌唱.There used to be a lot of birds (----) here.
过去这儿常有很多鸟儿歌唱.There used to be a lot of birds (----) here.
反义疑问句:There used to be a lot of trees here,____there?为什么可以用w
there used to be a lot of manatees是什么意思
There used to be a lot of pandas,_______ ______?
英语there used to be 是过去常有的意思为什么不能用 there are used to be 呢
there used to be a church here ,----?
there used to be a reastaurant here 与there used to be here a
there used to be a reastrant here 与there used to be here a r
There used to be a lot of tall trees on that mountain,_____?
There used to be a lot of trees.变为否定句
there used to be a lot of trees around the village,为什么用 didn
There used to be a lot of pandas 怎样改为反意疑问句