Ⅰ.完形填空(建议用时17′)
[2016·山东实验中学模拟]If there is one thing I have learned over the years, it is that life in this world is bittersweet. It has been and it __1__ will be.I realized this early and every day I see further __2__ of it.It is something that we all just have to __3__.
