改写句子Lucy learned how to swim all by herself last year（同义句）Lu
改写句子
Lucy learned how to swim all by herself last year（同义句）
Lucy （）（） how to swim last year.
Where is he from?I want to know.(两句合并一句）
I ()where ( ）（ ） from.
Lucy learned how to swim all by herself last year（同义句）
Lucy （）（） how to swim last year.
Where is he from?I want to know.(两句合并一句）
I ()where ( ）（ ） from.
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你能帮帮他们吗