(I went to take a bath.) I was standing in the bathroom. The fire alarm rang.
Giải thích
2. I went to take a bath. While I was standing in the bathroom, the fire alarm rang.
Hướng dẫn dịch:
2. Tôi đi tắm. Khi tôi đang đứng trong phòng tắm, chuông báo cháy vang lên.