I persuaded my uncle to let me have a bicycle at the beginning of the summer holidays.(1)_______________________.I ordered it before school ended,and a few days later I was the owner of a beautiful new bicycle.I decided to learn to ride it by myself,and (2)_______________________________.I tried and tried, and at last came to the conclusion that I was unusually stupid, (3)___________________________________,I seemed at the end of the first morning no nearer to being able to get on by myself than at the beginning.