There is a biackboard _______the wall.A.on B.in C.at D.of

Is there a window? There is a middle there is a cat there is a problem Is there a school Is there a house___? There is a Is there a. there is a There is a kitshen. There is a pair over is village a there there (.) There is a long r______ there. There( )(be)a football match,is there. there is a baby horse over there. there ,a there,is ,phone如何排列? where there is a life,there is a hope. there is a will ,where there is a way.