Write the verbs in the present perfect simple.
i (1) (work) a lot, and i (2) (save) a lot of money.i (3) (be) very lucky and successful,so i (4) (give) a lot of money to charity.my wife and i raise money for feed the children every year.it is a charity that (5) (do) a lot for poor children all around the world. (6) (you ever help) a charity? next week, there is a marathon in my city.the city (7) (not have) a marathon before,so everyone is very excited.i (8) (enter) and i (9) (ask) all my friends to enter,too. (10) (anyone tell) you about this event? you can read about it on the website runforcharity.com.someone (11) (put) a message about it on there.if you (12) (not do) your bit for charity, now is the time!