We didn't find water and grass_____we had passed several villages.

问题描述:

We didn't find water and grass_____we had passed several villages.
选:until?after?
我觉得填after.请问大家觉得呢?
可答案是until.
我觉得前面过去时,后面是过去完成时阿.

until
not until形式
如果想用after的话,同一句话可以表达为
we found water and grass after we had passed several villages