Definition: to be defeated and start to be controlled by a different leader Level: C2
最终，要塞被入侵的军队攻陷了。
Eventually, the fortress ___fell to the invading army.
经过漫长的内战，旧政权垮台，新政府得以建立。
After a prolonged civil war, the old regime ___fell and a new government was established.
在被完全切断补给后，这座被围困的首都沦陷了。
The besieged capital ___fell after its supplies were completely cut off.
