Is there a egg in the box?这句话哪里不正确

Is there a egg in the box?这句话哪里不正确 ( ) a box of juice and an egg in the bag A There is B There There Is ____ egg in the box.A.No B.not a C.not.为什么? there is nothing but a card in the box,( )there? 连词成句:a watch,in the box(There is a watch in the box) look,there is 这里选a egg还是is egg还是an egg?in There is a eraser in my pencil-box.这句话有个错误,在哪? There is a orange in the box.改错 is panda there in box a the (.)连词成句 there is a watch in the box改为复数形式 There is a T-shirt in the box[复数] is,jacket,the,in,a,there,box(.)连词成句