用they, themselves, their, them, we填空，每词限用一次。
1．Look at the elephants. _____ noses are very long.
2．Tom and I are in the hospital. _____ don’t feel well.
3．The animals hide _____ in the forest.
4．These soft drinks are bad for your teeth. Please don’t drink _____.
5．—Where are Kitty and Alice?
—_____ at the dentist’s.
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