Hardly _______ to sleep when _______ the door.A.had I gone;someone knocked atB.I had gone;did someone knock atC.had I gone;did someone knock atD.did I go;someone knocked at
参考答案:
Only then __________ how much damage had been caused. A.sh..
Only then __________ how much damage had been caused. A.she realizedB.she had realizedC.had she realizedD.did she realize