Which words make up the adverb phrase in the sentence? which words does the adverb phrase modify? many early cities were built around forts.
a. many early; modifies cities were
b. were built; modifies early cities
c. early cities; modifies were built
d. around forts; modifies were built

Something there is that doesn't love a wall, that sends the frozen-ground-swell under it, and spills the upper boulders in the sun; and makes gaps even two can pass abreast. the work of hunters is another thing: i have come after them and made repair where they have left not one stone on a stone, but they would have the rabbit out of hiding, to the yelping dogs. the gaps i mean, no one has seen them made or heard them made, but at spring mending-time we find them there. whom does the speaker blame for the gaps in the wall? himself his neighbor nature and hunters rabbits and dogs