A. remain B. unfortunately C. hurt D. preparation A. freedom B. cool C. Can I help you D. difficulty A. require B. reading C. safekeeping D. watch out A. floor B. aquarium C. president D. easy A. revive B. ring C. hockey D. star fruit A. fifteen B. cutting bit C. shell D. nationalism A. ooh B. laughed C. surrounding D. always A. grind B. others C. feast D. bell A. explosion B. take care C. corner D. darling A. luck B. do homework C. separate from D. speak up