回答

分詞構文の問題です。
[3]
(1) (Feeling) sleepy, I laid myself on the grass. = As/Since/Because I felt sleepy, ….
(2) (Born) in London, she speaks English fluently. = As/Since/Because she was born in London, ….
(3) (Unable) to swim, she doesn't like the sea. = As/Since/Because she is unable to swim, ….
(4) Winter has come early, (compared) with last year. ※[慣用表現] compared(過去分詞) with … …と比べると
(5) Frankly (speaking), I don't like his songs very much. ※[慣用表現] frandky speaking(現在分詞) 率直に言えば
[4]
(1) (Never having read the book), I can't criticize it. その本を読んだことがないので、批評はできません。
(2) (If they are properly trained), dogs can do some tricks. きちんと訓練すれば、犬は芸をすることできます。
(3) (Their conversation being in Chinese), I didn't understand a word. 彼らの会話は中国語だったので、私は一言も分からなかった。
(4) (As/Since/Because he was lost in thought), he didn't notice us. 考えにひたっていたので、彼は私達に気付かなかった。
(5) She knelt on the floor, (with her eyes closed). 目を閉じて、彼女は床にひざまづいた。※with one's eyes closed (両)見を閉じて
(6) (As/Since/Because it was printed in haste), the book had many misprints.
急いで印刷されたので、その本には誤植がたくさんあります。

参考にしてください。

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