Which is the correct possessive form of the singular noun needed to complete the sentence?
a speed can reach up to 30 miles per hour.
dragonflys’
dragonfly’s
dragonflys

The correct possessive form of the singular noun needed to complete the sentence is dragonfly’s.

A dragonfly’s speed can reach up to 30 miles per hour.

Explanation:

To form the possessive form, an apostrophe and an 's' is added to the noun. This happens when the noun is singular in number. When the noun is plural an apostrophe is added after the 's' in the noun.

from: "the tragedy of julius caesar by william shakespeare: act 1 "

the correct answer is:

act 1 opens with the forum in celebration and ends with it in chaos.

the answer is:

in the fourth paragraph. ( the paragraph that begins with “on friday of my third ”).

hope it !