No matter who you are and what are you, ________， we should remember that “being” and “doing” are much more important than “having”.[ ]

When we are in a new place, we must __our manners and try to follow the customs of the place.

My mother is ill in hospital. I have to ___________ my grandparents at home.

_______, I believe, and you will find the student is very outgoing.

The police wondered________ of them is________ such atraffic accident.