单选题
Once, my uncle got ill. We called all the {{U}}
{{U}} 11 {{/U}} {{/U}}in town, but no one knew {{U}} {{U}}
12 {{/U}} {{/U}}reason for his illness. Some said he was working too
hard. {{U}} {{U}} 13 {{/U}} {{/U}}thought it was simply a case
of fate (时运). I did not {{U}} {{U}} 14 {{/U}} {{/U}}any of them.
So I found some {{U}} {{U}} 15 {{/U}} {{/U}}for him. It was
cheap and I was told it {{U}} {{U}} 16 {{/U}} {{/U}}stop any
illness. After taking the medicine my uncle got better. A few days later, a
famous writer came to me and said he was dying of a {{U}} {{U}} 17
{{/U}} {{/U}}cold. He took the medicine, and was well again {{U}}
{{U}} 18 {{/U}} {{/U}}two hours. If anyone falls ill now, {{U}}
{{U}} 19 {{/U}} {{/U}}come to me. I was so happy with myself
{{U}} {{U}} 20 {{/U}} {{/U}}I began to laugh. And then, I woke
up!