There is a blackboard ( ) ( ) ( )the class

There is a blackboard ( ) ( ) ( )the class There is a blackboard( )( )( )the classroom There is a M___ on the blackboard there is a blackboard () the beautiful classroom On the wall there is a blackboard and some p___ ___ the blackboard there is a big desk. there is a blackboard on the wall翻译 there is a blackboard on the wall.()()()()there on the wall? Is there ____on the blackboard? ----No,there's____on the bla the,is,the,blackboard,front,there,a,of,at,classroom连词成句 连词成句 the,is,the,blackboard,front,there,a,of ,at,classroom there is a blackboard （） the front wall.(A.on B.in C.at)如题