1) He was going on a vacation in spain
2) He left his house at 10 o'clock
3) He went to airport by taxi
4)He realized when airport worker asked him for his passaport
5)It took 20 minutes to go back
6) His Passaport was on the bedside table
7)He discovered taxi had left.
8) By finding another taxi
9)Because there was lots of traffic at roads
10) because he missed his flight.
