Which service of the u. s. postal service guarantees next-day delivery? a. fourth-class mail b. first-class mail c. priority mail d. express mail

can you give us the options

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."

d. must, like a wh_re, unpack my heart with words

the statement that best summarizes the passage is c. the careful organization of these fairs shows the intelligence of the people who planned them.