Sleepy Koalas

This task is about adding words to a text so it makes sense.
 
The following piece of writing has some spaces where words are missing.
 
First, read the whole piece of writing through to get an idea of what it is about. Then fill each space with ONE word so that the whole piece of writing makes sense. You are able to change answers as you go.
When you have filled in all the spaces, re-read the text to check that the whole piece of writing makes sense.
 
sleepy koala in a tree

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Sleepy Koalas
 
Whenever I saw Koalas on my holiday in Australia, most of them seemed to be asleep. And when they weren't sleeping, they were busy 1  gum leaves. I found out that Koalas eat 2  about four hours a day and spend nearly 3  the other twenty hours sleeping. The name "Koala" 4  from an Aboriginal word that means "no drink." Koalas 5 drink much water because they get as 6 liquid as they need from eucalyptus (gum) leaves. 7 there were millions of Koalas in Australia, but 8 of them were killed for their meat or fur. 9 forests that they lived in were destroyed, 10 the Koalas were hunted so much that they 11 became extinct. Many also died from disease. These 12, Koalas are protected. People are not allowed to 13 them or keep them as pets. I visited a 14 where Koalas are cared for. Some of the 15 from sanctuaries are released into the wild or 16 to zoos. When a Koala is born, it 17 about the size of a bee. It crawls 18 into its mother's pouch and stays there, drinking 19 milk, for about twenty-eight weeks. Once it 20 big enough to leave the pouch, the baby 21 rides on its mother's back, clinging to her 22. And then it snuggles up close for yet 23 sleep!