A. clap B. pay attention to C. social media D. lunch A. barbecue B. theoretical C. met D. bend A. starve B. premises C. peel D. back A. speed up B. in no time C. sandwich D. touch A. toe B. committee C. potentiality D. evident A. arm B. have a headache C. plain clothes D. up-to-date A. compete B. by taxi C. comb D. knee A. fill in B. yours faithfully C. lost and found office D. game A. afternoon B. benefit C. delusion D. homework A. plus B. airmail C. high D. car pool