29.Two years ago my friend Lisa bought expensive mountain bike, 56.
that I liked very much.So she tried to persuade me to buy one, 57.
but I can't afford it.From then on,I had been dreaming about 58.
buy one.A week ago,my dream finally 59.
was came true.Then Lisa and I were determined to 60.
take a great bike trip.It was the Mekong River where we wanted to 61.
cycle along.Lisa was stubborn.Although she 62.
didn't know the best way getting to places,she insisted that 63.
we began our journey from the source of the 64.
River.I know Lisa well.Once she has made up her mind,something can 65.
change it.Finally,I had to give in.