问题描述：
新概念英语第三册第39课
Bruce cheerfully announced that the engine ______out of oil.
A ran B had run C was running D has run
请问为什么?
Bruce 是过去宣布的,为什么后面用现在完成时?
Bruce cheerfully announced that the engine ______out of oil.
A ran B had run C was running D has run
请问为什么?
Bruce 是过去宣布的,为什么后面用现在完成时?
问题解答：
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