在线名词解释大全
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二十八题
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详细
28.Thiswastheyear—withBritainout,terrorismwaningandthemigrantcrisisatanebb—thattheEuropeanUnionhadhopedtorepairandreviveitscherishedgoalofopeninternalborders.Despiteyearsofefforts,hisbusinessis____
题型：单选题
选项
A.
at an ebb
B.
on a rise
C.
at a price
D.
on a diet
正确答案：A