what are Lucy and Mary doing they are busy______their homewo

what are Lucy and Mary doing they are busy______their homewo what are mary and linda doing?they are music. What are Mary and Tim doing? What are they doing? what are they doing what are David and Mary doing?---They__(have dinner) Lucy, Mary, Tom and Tony are good friends. They are in Class what are they doing now? They are--- 英语what are they doing what are they doing?急用! when are you doing your homewo Lucy ,Tom,Mary and Jack put their coats 1 the table.They are