回答

分詞構文の問題ですね。
1. 〇
2. 〇 ※付帯状況の分詞構文:with his hands in his pockets 彼の両手をポケットの中に入れた状態で
3. I can't watch TV [(with) you (standing) there]. ※[付帯状況の分詞構文]:[あなたがそこに立っている状態で]
4. Deeply (impressed) by her speech, I decided to read one of her books.
= Because(接続詞) I(S) was(V) deeply impressed by her speech, I(S) decided(V) to read one of her books.
5. [(Having) (been) bitten] once, he never tried to pat the dog. ※[完了形・受動態の分詞構文]
= Because(接続詞) he(S) had been bitten(過去完了・受動態)(V) once, he(S) never tried(過去)(V) to pat the dog.

参考にしてください。

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