The chief investigator resigned, amid allegations of () and probably illegal operations.
The chief investigator resigned, amid allegations of () and probably illegal operations.
A、covered
B、covert
C、evident
D、optimistic
【正确答案】:B
【题目解析】:本题考查名词和形容词辨析。cover:名词或动词,遮掩,借口。covert:形容词,隐蔽的;隐密的;偷偷摸摸的。evident:明显的;明白的。optimistic:乐观的。句意:首席调查员辞职了,因为有人指控他从事秘密的、可能是非法的活动。
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