Our physics teacher told us light faster than sound last term.A. travelsB. travel C. trav

问题补充：

Our physics teacher told us light faster than sound last term.

A. travels

B. travel

C. travelled

D. travelling

答案：

(答案→)A. travels

B. travel

C. travelled

D. travelling

解析：句意：上学期我们的物理老师告诉我们光比声音传播得快。结合语境可知宾语从句中描述的是客观性动作，故用一般现在时态。Light是抽象名词，不可数，故谓语动词用单数。选A。