Peter cleaned the floor yesterday morning. → The floor __________________________________.
Peter cleaned the floor yesterday morning.
→ The floor __________________________________.
Peter cleaned the floor yesterday morning.
→ The floor __________________________________.
Đáp án đúng: The floor was cleaned by Peter yesterday morning.
Bị động quá khứ đơn: S + was / were + VpII.
Dịch nghĩa: Peter đã lau sàn vào sáng hôm qua. = Sàn nhà đã được Peter lau sạch vào sáng hôm qua.