A. Listen to a man talking about the Global Penguin Society and complete the following sentences. Write ONE WORD or A NUMBER for each blank. 23. There are _______________ kinds of penguins in the world. 24. The Global Penguin Society is a _______________. 25. It helps to protect penguins and other _______________. 26. Over _______________ school children visited and learned about groups of penguins. 27. They collect _______________ on their website. Giúp em bài này với ạ ^^