20) ) it is most logical to infer that
the author supports greater use of public
transportation.
the author is employed by the public transportation
system.
the corporate average fuel efficiency program
ended in 1999.
the author is concerned about too much government
interference.

they are most likely about to fight in the battle of gaul

true

explanation:

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.