The ___ tenses are formed by adding am, is, are, was, or were to the present participle (the form of a verb that ends in -ing). Select one:
a. perfect
b. progressive
c. perfect progressive
d. imperfect

Realism was a fairly influential and widespread literary movement in the united states in the latter half of the nineteenth century. which american writer is among the pioneers of american realism? a. ernest hemingway b. f. scott fitzgerald c. j. d. salinger d. mark twain