Dear Editor,
I visited our zoo yesterday and I was very ___①___ to find hardly anyone there. Zoos are very___②___ places. They are like ___③___textbooks for young people. They provide homes for many ___④___ animals and help to ___⑤___ the public about ___⑥___ them. If we don’t __⑦____ our zoos, they won’t have ___⑧___money to take care of ___⑨___ fine animals. I urge all of your readers __⑩___our wonderful zoo soon.