12.We have socks ____ all colours ____ 5 dollars each . A. at , in B. in , at C. at , at

题目

12.We have socks ____ all colours ____ 5 dollars each . A. at , in B. in , at C. at , at
为什么选B,请详解,并翻译这句话谢谢.
14. Come down to the bookstore and see for ___ .
A. you B. your C. yourself
为什么选C,请详解,并翻译这句话谢谢.
16. We ___ have 100 yuan .
A. every B. each C. each other
为什么选B,请详解,谢谢.

答案