Our physics teacher explained to us that light______faster than sound.A、is trave

游客2024-01-15 33

问题 Our physics teacher explained to us that light______faster than sound.

选项 A、is traveling
B、traveled
C、travels
D、has traveled

答案 C

解析这是一道语法题，考点是动词时态。该句主句虽然是过去时，但从句是自然现象因此要用一般现在时。

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