We found ourselves back in a village at the foot of the mountain. 这句话中的宾补是 back也可以是 back in a village 还可以是 back in a village at the foot of the mountain因为作宾补的中心词 是back 也可以是in a village 所以 最佳说法back in a village作宾补at the foot of the mountain是定语 修饰 a village
2.In the spoken English of some areas in the us,the “r” sound at the end of the words are dropped.把这句话中的 are dropped 改为 are being dropped可以是可以 但意思 不一样后者是 将被dropped ,根据句子意思 不妥 所以 应该是are dropped
3.If their marketing plans succeed,they will increase their sales by 20 percent.这句话把will 换成would的话 从句也应该 是 were to succeed 这样这句话就是虚拟语气.而 原句 不是 虚拟语气 而是 主将从现 属于真实句 所以 不用would.
4. It doesn't listen reasonable to me.这句话中的形容词reasonable是作表语 的 是说明 主语的listen=sound 是系动词 所以 后面 不是副词reasonably
5.It is a job where you are doing sth serious but interesting.这句话最后3个单词是表示“重要而且有趣 这里 把but 改成and 也对 这里主要是 翻译理解 的问题用but 是把 两个形容词 看作 相对立 的形容词 .