I wonder what__HAS HAPPENED__ (happen) to tom .i __HAVE BEEN WAITING __(wait ) for him over an hour now .he sometimes _KEEPS___(keep ) people waiting ,but he HAS never __BEEN__(be ) so late before .
I __DON'T FEEL ___(not feel ) very well recently .i think it is because I__AM_ (be ) worried about my son .he HAS just___LEFT_ (leave ) school and _HASN'T FOUND___ (not find )a job yet .