作业帮They aren'______ (I) books. They're ______ (Lily and Lucy).用所给单词的适当形式填空.
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They aren'______ (I) books. They're ______ (Lily and Lucy).用所给单词的适当形式填空.
They aren'______ (I) books. They're ______ (Lily and Lucy).
用所给单词的适当形式填空.
They aren'______ (I) books. They're ______ (Lily and Lucy).用所给单词的适当形式填空.
my,Lily's and Lucy's
my Lily and Lucy's
my
Lily and Lucy's
my
Lily and Lucy's