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题库 / Prep2007E2-SC-115
Regardless of their form or function, all aerodynamically enhanced, curved objects made for throwing have been called boomerangs by non-Australians ever since 1788, when Europeans saw Dharug-speaking men tossing "bumariny" in the area later known as Sydney.
Regardless of their form or function, all aerodynamically enhanced, curved objects made for throwing have been called boomerangs by non-Australians ever since 1788,
Regardless of their form or function, any aerodynamically enhanced, curved object made for throwing has been called a boomerang by non-Australians ever since 1788,
Ever since 1788, non-Australians have called all aerodynamically enhanced, curved objects made for throwing boomerangs, regardless of their form or function, from
Ever since 1788, any aerodynamically enhanced, curved object made for throwing has been called a boomerang by non-Australians, regardless of its form or function, from
Non-Australians have called all aerodynamically enhanced, curved objects made for throwing boomerangs ever since 1788, regardless of their form or function, from
from when，from是介词，后面加名词/动名词，不能加when，when做定语只能跟在要修饰的时间词后面（定语从句可以跳跃修饰），否则就是时间状语。
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