问题补充:
At present, there are many instances the governments distribute money to the citizens worldwide, but the sources of fund are still limited.
A. how
B. which
C. where
D. when
答案:
A. how
B. which
(答案→)C. where
D. when
解析:句意:现在有很多的政府把钱捐献给全世界范围的人的例子,但是资金的来源还是很有限。这里是定语从句,先行词是instances,定语从句中不缺主宾表,缺少in the instances,是抽象的地点,用where引导定语从句,选C。