单项选择题

The world's governments have done ______ nothing to combat the threat of nuclear accidents.

[A] inherently
[B] vitally
[C] virtually
[D] identically
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单项选择题
For a long while he waited, not daring to descend from his hiding place ______ they should come out and catch him in the act.
[A] when
[B] lest
[C] that
[D] where
单项选择题
The thieves ______ the waste paper all over the room while they were searching for the diamond ring.
[A] spread
[B] scratched
[C] scattered
[D] burned
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