星期天(Sundays)i usd to idl away my sundays. but now i hav mor maningful thing to do. on day our tachr took us to visit th wlfar hous. thr livd th orphans.som of thm ar of school ag alrady. but thy don't hav th chanc to go to school yt. so why couldn't i tach thm what i had larnt in th classs on sundays? my hom is clos to th wffar hous. wasn't it a good ida?whn i told my tachr this, sh lookd at m with a ys on hr fac. from thn on, i act as a littl voluntary tachr thr on sundays.