选词并用其适当形式填空

in the midst of, be supposed to, as flat as a pancake, make a promise, show up, break out, in danger, out of

 
I haven't seen it myself, but it __________ be a very good film.
He __________ that he could help whenever you were in trouble.
A policewoman put some chemicals on the piece of paper, and a line of words __________.
He fought bravely __________ the battle.
Something unexpected always __________ in this area.
Three __________ four people choose to live in City A.
In a moment, Mr. Carter realized that he was __________ and he quickly left.
After the explosion, the building was __________.