It is better to ask someone for advice rather than___something

I _____ have written to him because he phoned me shortly afterwards.

Our voyage to Iceland cost a lot ofmoney．一Did it well．that doesn’tmatter you enjoy yourselves．

year, millions ofpeople visit the Palace Museum, and many of __ are foreigners　

What do you think of the 3D film UP—I enjoy it from beginning to end. This is the bestone I haveseen.