----I was riding along the street and all of a sudden, a car cut in and knocked me down.------You can never be _____careful in the street.

A new study of HIV-infected people in Haiti indicates that starｔing treatment early could save many patients who might _______ die of AIDS.

I’ve never seen ＿＿＿＿＿＿＿ film as this. 

He had planned to make a compromise, but ______ he changed his mind at the last minute.

—I’ll talk to my son Bill about it as soon as possible． He usually listens．—We need _______ listening． We need action．