After the earthquake, the president _____ a three-day period of mourning, the first-ever event of its kind for ordinary people.
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A
suffered
B
declared
C
confirmed
D
informed
推荐题目
It’s reported that the United States uses______ energy as the whole of Europe.
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A
as twice
B
twice much
C
twice much as
D
twice as much
Our foreign trade has________greatly in recent years .
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A
grown
B
increased
C
broadened
D
expanded