find the mistakes

[cindrella2]

E-mails help to improve the way companies communication with their customers.
i'll try to contact you for ages
my phone didn't work very well since i dropped it last week
i've watched the olympic game on my own all week
i've been drinking three cups of tea this morning
they've playing squash all morning -that's why they look so tired
my brother has just passing his university exams-that's why he looks so happy
my father has been travelling abroad six times in the last two months
in 2008, the olymic games took part in Beijing
the economy situation in our country is improving