What is the difference between the verbs 'finish' and 'complete'? Can they be used interchangeably?

Read the following examples first:

I can't go home until I've finished my work.

The concert finished with the band's best-selling single.

He finished second in the men's 100 metre hurdles in the last Olympic Games.

The refurbishment work in the museum is completed.

I just need one more stamp to complete the collection.

Please complete the application form and send it to us.

Now listen to the programme to find out the answer as Feifei explains the difference between 'finish and 'complete'.

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