单项选择题

Living in the desert involves a lot of problems, ______ water shortage is the worst.

A. not to mention
B. of which
C. let alone
D. for what
<上一题 目录 下一题>
热门 试题

单项选择题
If a couple are divorced and their child lives with his mother, he is said to suffer from lack of ______ love.
A. maternal
B. fraternal
C. paternal
D. parental
单项选择题
It was not until he took up fishing that he ______ to relax.
A. had been beginning
B. began
C. had begun
D. beginning
相关试题