根据所给提示完成下列句子。
1．人生就是想一场赛跑。你要么领先，要么落后。
Life is like a race．You either _____________ or _________________．
2．穿红色更容易采取行动。
Wearing red can _________________________________________．
3．Jim常常怀疑花这么多时间做作业是否值得。
Jim often ____________ it is __________ so much time on homework．
4．那个小男孩除了躲藏起来，别无选择。
That little boy had ________________________________ into hiding．
5．让我们惊讶的是，他已经五十多岁了。
_______________, he has been in ____________________________．