it didn't take long_____the place was declared a nature reserve and endangered animals got adequatly protected.
A.before B.that C.when D.since
人气：461 ℃ 时间：2020-06-12 20:56:19
解答
A.before
凡是见到“it wasn't / won't be long./ It didn't / won't take long...”句型,后面要求填从属连词的话,请楼主不用犹豫填before,保证没错!
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