14.After exchanging _________ with everyone on the committee, they proceeded to introduce the latest generation of recording software. (A) junctures (B) pleasantries (C) sermons (D)cicadae

7.A campaign launched has raised more than 100,000 pairs of secondhand shoes to keep people in Kenya free from “sand flea disease.” The shoes will protect people in Kenya who go barefoot from having sand fleas __________ their skin and cause infections. (A) stumble (B) penetrate (C) withhold (D) falter