— I heard they went skiing in the mountains last winter. — It ________ true because there was little snow there.

Some aspects of a pilot’s job__________ be boring, and pilots often ________ work at inconvenient hours．

—What do you think we can do for our aged parents?—You ____ do anything except to be with them and be yourself.

Sometimes most of us probably are angry______our friends, parents or teachers. 

—You shouldn’t have shouted at your mother. It really hurt her.  —Exactly. I ________ crazy at the time.