ls the room large?复数句

ls the room large?复数句 ls this room large enough to have the meeting? ls there an elephant in the zoo?改为复数句 Ls the room big or ls she in the in the living room?这句是什么中文 ls your father in the living room now答句是什么 ls this a bus复数句 ls that your baseball?变为复数句 ls this your ruler改为复数句 Is there a child in the room(改为复数句 ) there is a child in the room.改为复数句 The room is large than that one.这句哪里错了?