Complete the dialogue.use the present simple and the present continuous. betty: who is plaing the guitar? (play) ben: duncan. he the guitar at the parties. (play) he can play the guitan very well. betty: what (do) ben: they old english song. (sing) the gils perform in our school theatre. look! jim and ) they are good dancers. they our school dancing club. (dance) betty: i see. and what do you do after classes? ben: i like photos. do you like my photo? betty: it's great.