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  • 科目:英语
  • 题型:单选题
  • 难度:较难
  • 人气:641

It was March 11, 2011 _______ magnitude-9.0 earthquake struck Japan and subsequent tsunami triggered the large-scale crisis.

A.that B.when C.on which D.which
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ItwasMarch11,2011magnitude9.0e