Question

在地震的废墟中，这位勇敢的小孩独自用了两个小时救他的父母，直到消防队员赶到。

   The brave child________ in the ruins of the earthquake.

Answer 1

Spent two hours saving his parents by himself until/till the firefighters arrived (came ) /didn”t stop saving his parents by himself for 2 hours until the firefighters arrived (came )