根据短文内容和首字母提示,写出所缺单词的正确形式.Mr Black and Mr White were two famous artists in acity.They painted many beautiful pictures and

根据短文内容和首字母提示,写出所缺单词的正确形式.Mr Black and Mr White were two famous artists in acity.They painted many beautiful pictures and their pictures w__very popular in the city.But they tried to see who could paint b__.One day they asked an old man to d__the number one artist by their pictures.Mr Black painted an apple tree.Soon the birds came and try to eat the apple.Then they went to Mr White 's house.There was n__but a red curtain on the wall.The old man tried to lift the curtain,but he f__.It was a picture painted by Mr White .