The teacher told me that the light ______ faster than sound.
A．travelsB．had traveledC．is travelingD．traveled
A

試題分析：考查時態(tài)。自然界中的一些客觀真理永遠(yuǎn)都使用一般現(xiàn)在時來表示。故A正確。
點評：自然界中的一些客觀真理永遠(yuǎn)都使用一般現(xiàn)在時來表示
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