John decided to buy a computer, _________ it was a little expensive for him. 

–Why were you late for school this morning?–I got up very early this morning, ________ I didn’t catch the first bus.

_______ we are both pretty outgoing, Pete’s better at sports.

 Tom’s a taxi driver, ＿＿＿＿＿ he really wants to be a singer.

 Bob promises to join in the football match ______ he has to help his parents on the farm.