The reason why the emperor built the wall was ________(protect) China.求理由加翻译,要准确,
问题描述：
The reason why the emperor built the wall was ________(protect) China.求理由加翻译,要准确,
答
to protect理由皇帝建城墙的原因是为了保护中国表目的为什么不能是protecting呢？ing 形式就不能表示目的了，而且是过去进行时翻译也不通哦，谢谢了