A. competence B. thankfully C. winter D. empty A. learner B. South American C. summer D. factor A. have summer holidays B. many C. rostrum D. papa A. linguistics B. cut rice C. invisible D. stocking A. apparatus B. erode C. cosmonaut D. autumn A. break the record B. extraordinary C. laptop D. yellow A. compose B. go on a trip C. pronounce D. register A. interview B. introduce C. sweep the snow D. invader A. spring B. justification C. protest D. hardly A. urgent B. surfer C. brown D. consist of