Which is a correctly punctuated complex sentence? a. the girl ran across the street and got the mail b. the girl ran across the street, and she got the mail c. the girl ran across the street because she wanted to get the mail d. the girl ran across the street, got the mail, and returned to the house

lets g

every person should make it a priority to serve at least two hours per week.

it's an extremely important civic responsibility that is invaluable to citizens most in need is the correct one

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."