Question

Albert felt that the medical certificate was almost a burning hole in his pocket.​

Answer 1

Answer:

When he was expelled from school without the need to produce any kind of medical reasons, it burnt " a hole in his pocket" because he had spent money on something that was entirely unnecessary. Because albert on one hand was poor , and he has spend some money to get a medical certificate .

Answer 2

The writer means to say that Albert had worked so hard to hey the certificate from the doctor and he was veiling to show the certificate to the headmaster and see how he would react. However, the certificate became unnecessary as ge was expelled without his having to produce the medical certificate.