At that time ,he ____(lose) his way in the forest.at that time是过去完成时,为什么答案是lost?

问题描述:

At that time ,he ____(lose) his way in the forest.at that time是过去完成时,为什么答案是lost?

at that time 在那时( 是一般过去时的标志呀)
lost 是正确的