There is a woman in the room（划线提问） a为划线

There is a woman in the room（划线提问） a为划线 there is one dog in the room （one为划线部分 对划线部分提问） There is a sofa in the living room.对划线部分提问 1.There is a duck in the river.（划线部分提问,划线部分是a） there was ＿a＿ child in the room（对划线部分提问） The woman [in a red car] is Helen's mother（划线部分提问） There is a mouse in the house.划线部分是a mouse 对划线部分提问 划线提问：There is a computer in the classroom.划线部分：a 划线部分提问 There is a little water in the river 划线部分是a little 划线部分提问 There is a pen in the pencil-case.(划线部分是a) there is a little water in the bottle 对划线部分提问 a little 划线 There is a river in the mountain?的划线部分提问.划线的是 a