Question

_____ you _____ to go to the park when they were children? A．Did, use B．Did, used C．Do, us

_____ you _____ to go to the park when they were children? A．Did, use B．Did, used C．Do, used D．Do, use

Answer 1

A

考察时态。根据时间状语从句当他们是小孩子时，可知主语叙述的是过去的动作，故用过去时态，故选A。当句子中已有助动词表明时态时，实意动词要变回原形，故选A。