---He was nearly killed in a car accident.
---Oh, when was ____exactly?
---It was in 2009______________he was driving to the airport to pick up his fatherA.this; thatB.that; whenC.that; that D.what; when
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B解析句意：他几乎在车祸中死亡。噢，那时什么时候发生的？就是在2009年他开车去机场接她父亲的时候。第一空用that指代上文，第二空为定语从句，2009做先行词，后缺少时间状语，所以用when，故选B。