The city ______ by an army of 600 men was difficult to take.
How did it _____ that the two men arrived to address the same meeting at the same time.
The authorities declared that because of the war petrol was _____ and had to be rationed (定量供应).
His name was on the _____ of my tongue, but I just couldn't recall it.
Feudal landlords, and imperialists are in no way more _____ than wolves.
She was putting on her watch when the _____ broke and it fell to the ground.