问“there is、there are”一般这类词,一般r与i、r与a：

问“there is、there are”一般这类词,一般r与i、r与a： Is there any fish in the river?与 Are there any fish in the r there is （）“a” and ( )“r”in the word "are" There is some milk in the glass一般与特殊 There are some balls under the chair.改为一般疑问句 There is acar i There is a bridge a bove the river.怎么改为一般疑问句?There are many There is 与 There are 的区别 There is a student.改为一般疑问句. There is a bus 改一般疑问句 there is a brown umbrella.一般疑问句 there is a telephone.改为一般疑问句 There is a student.改为一般疑问句