A person may often ______ the different stages(人生阶段)of sadness, shock, anger, and so on.

Could you please help me with the math problems — __________

Hearing what the man has done, they insist that such behavior should not be _____ whatever he says.

Gone are the days ________ China was called “a Sick Man of East Asia”.

he became conscious, he remembered and on the head with a rod.