Complete the following passage with the words or phrases in the box. Each can be used only once.(将下列单词或词组填入空格，每空格限填一词，每词只能填一次)
A. various B. similar C. with care D. familiar E. in trouble
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Today I'm going to talk about rainforests. Are you ____ with them? They're interesting and exciting places! Many kinds of the world's plants and animals live in the rainforests.
However, rainforests are____ now---they are disappearing very fast because they are cut down or burnt every day. As a result, ____ animals and plants are dying out.
Maybe you have never been to a rainforest, so why should you protect them ____ ? Rainforests are important to everyone. They are important because the plants in the rainforests make oxygen . We need oxygen to breathe.
