Malaysia Airlines Flight【小题1】course and turned back toward Kuala Lumpur -- but t

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Malaysia Airlines Flight【小题1】course and turned back toward Kuala Lumpur -- but there were no indications from the pilot that he was doing so.

A．must have changed	B．could have changed
C．might have changed	D．should have changed.

上一题下一题 0.64难度单项选择更新时间:2014-05-14 11:18:02

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