Rewrite sentences without changing the meaning

She was doing the washing when I stepped into the room.

While I came, she was doing the washing.When I came, she was doing the washing.What I came, she was doing the washing.With I came, she was doing the washingHướng dẫn giải:

Giải thích: cấu trúc kết hợp giữa QKTD và QKĐ: QKTD when QKĐ

Dịch: Cô ấy đang giặt giũ thì tôi bước vào phòng.