从下面的方框中选择适当的词组并用其正确形式填入句子中，使句子意思完整与正确。

1．Do you know hard work ________ success?

2．As the survey went on, more and more people ________ the case．

3．He worked hard．________, he made great achievements．

4．Have the police arrested the man who ________ the murder?

5．Time is ________．We should take every chance．