____ apple fell from the tree and hit him on ______ head.
.Most business letters and government reports are the main situations _________ formal language is used. ^*
.. I heard she _________ a book last year, but I don’t know if she has finished it.
.. Few visitors leave Rio feeling _________.
.He made a big mistake, and _________, he lost his job.
.The forest guards often find campfires that have not been _________ completely.