The old father ______ the project ten years ago but didn’t live long enough to complete it sohis sons and daughters ______ and are continuing doing it now. 

John is very          ——if he promises to do something he’ll do it .

--- Are you satisfied with what he has done? --- Not at all. It can’t be ________.

 Mr. Smith, _______ of the _____ speech, started to read a novel.

The question was so ________ that there was a ________ expression on the teacher's face.