Question

求助一道英语题，谢谢！

Living in a desert has its problems ___ which getting fresh water is the most serious.
定语从句，填一个介词，加翻译加解释
3Q

Answer 1

of
在沙漠中居住有其问题存在，最难的是取得饮用水。
problem是先行词，也就是定语从句所要修饰的名词，所以说定语从句就是要说明problem是什么的。这个problem就是不好取得饮用水。
of 本身是从属连词，还原之后是which one of the problems is that getting fresh water is the most serious，关键点：which后面的从句语义完整，因此添of。

Answer 2

如何找到新鲜的水源是在沙漠中居住的最为严重的问题

of

Answer 3

of . getting fresh water is the most serious of its problems.