This is the rule ______ you must stick.[ ]

an important decision more on emotion than onreason, you will regret it sooner or later.

A tourist will easily lose his way in Shanghai_____ hehas a map or a guide.

I’m leaving for Qingdao tomorrow.—

My father left me with the feeling that I had to live for two people, and that if I did it well enough, 　　　　I could make up for the life he should have had.