the teacher told us that light_____(travel) much faster than sound

问题描述:

the teacher told us that light_____(travel) much faster than sound

travels
真理用一般现在时

the teacher told us that light____travels_(travel) much faster than sound.
老师告诉我们光速比音速快的多.
因为从句是普遍知道的真理,所以用一般现在时.