There was a knock on the door, but _____ answered it.
举一反三
- Scarcely ____ asleep when a knock at the door awakened her.
- When he heard the knock at the door, Frank probably thought ___________.
- I heard someone _______ loudly at the door while I was listening to the radio. A: knock B: knocking C: to knock D: knocked
- It’s not polite ( __ ) (knock) on your neighbour’s door like that.
- What should the room attendant say when knock on the guest’s door: