✨ ベストアンサー ✨
step1
①which
②who
③that
④that
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①Yuki has a cat that has long hair.
②He was student came to school the first.
③This is a book that us a lot of tells things.
④She many sang songs that made happy us.
⑤A whale is the biggest animal that lives in the sea.
間違ってたらごめんなさい、、、
丁寧にありがとうございます😭