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题库 / Prep2007E2-SC-105
2001 proved to be the automaker's first losing year since 1992, when the company had lost $7.4 billion, which was primarily because of almost $7 billion in accounting charges.
when the company had lost $7.4 billion, which was primarily because of
when the company had lost $7.4 billion, primarily resulting from
when the company lost $7.4 billion, primarily because of
which is when the company lost $7.4 billion, and that was primarily because of
which is when the company lost $7.4 billion, primarily resulting from
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至于时态，我们用过去完成时来表示两个过去动作中较早的一个动作，这样可以使顺序更清楚。在这种情况下，我们有特定的日期，所以我们不需要使用完美时态——时序已经很清楚了。
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