用以下几个词组成一个作文或短文,急用,sothat,avoid,brave,excuse,thought,onone`sown,comeup,rewrite,bet,army,Canada,Canadian,medical,treat,treatment,Dr,giveone`slifeto,front,injured,war,FirstWorldWar,invent,tool,local,operate,o

　　用以下几个词组成一个作文或短文,急用,

　　sothat,avoid,brave,excuse,thought,onone`sown,comeup,rewrite,bet,army,Canada,Canadian,medical,treat,treatment,Dr,giveone`slifeto,front,injured,war,FirstWorldWar,invent,tool,local,operate,operation,inspiteof,intheend,takecareof