What`s the most problem during your past day 这句话中
问题描述：
What`s the most problem during your past day 这句话中
problem 要加s吗
答
most是副词,后面接形容词,problem 用作形容词,所以不用加S的.这样你这句话也就不完整了,后面还要接一个名词.不如改成：What's biggest problem in your past day(s)?而且,你前面用的是What is ...,所以,problem当做...