It is possible that the fire in the ship was started by a bomb2/30It is possible that the fire in the ship was started by a bomb.They say that a bomb started the fire in the ship.The fire in the ship might have been started by a bomb.It shall be said the fire in the ship had been started by a bomb.The fire in the ship is known to have been started by a bomb.Giải thíchChọn đáp án B Giải thích : might have PII: phỏng đoán điều có thể đã xảy ra ở quá khứ