2019年6月大学英语四级(第二套) 官网
{"data":[{"question":[{"id":"721","number":"1","choice":["A\uff09Heavy floods.","B\uff09Safety concerns.","C\uff09Bad economy.","D\uff09Workers\u2019 strikes."],"details":" Safety concerns have been one of the biggest reasons why the country
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