Our teacher told us that light ____(travel) faster than sound.

问题描述:

Our teacher told us that light ____(travel) faster than sound.

travels
宾语从句虽然要求主、从句的时态必须一致,但如果从句表述的是真理还是用一般现在时,light(光)是第三人称单数,因此用三单形式travels