put on a show的用法和样例：
- He was pretending to climb a mountain.
- "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
- He is not really ill she's just putting on a show.
- As a matter of fact, he was pretending to be ill.
- put on a dog-and-pony show 过分铺张的招待...