Read the following examples and think about their differences. Then match

Read the following examples and think about their differences. Then match the sentences to complete the situations.
1nbsp; nbsp; Jim has been showing his family photos for three hours.
2nbsp; nbsp; Jim showed his family photos for three hours.
3nbsp; nbsp; Jessie and Julie have been close friends since their childhood.
4nbsp; nbsp; Jessie and Julie were close friends since their childhood.
5nbsp; nbsp; I have been trying to solve the maths problem for two hours.
6nbsp; nbsp; I tried to solve the maths problem for two hours.
a)nbsp; nbsp; He quit only when one of his guests asked for some coffee and biscuits.
b)nbsp; nbsp; But they quarrelled once and havent seen each other since.
c)nbsp; nbsp; They dont have any secrets from each other.
d)nbsp; nbsp; All his guests are dying of hunger and irritation.
e)nbsp; nbsp; When I became sure that I had no chance, I gave up on it.
f)nbsp; nbsp; However, there is still no success