A. play with fire B. overboard C. Thanksgiving D. nail A. breakfast B. professional C. racial D. self-discipline A. measles B. all alone C. rob D. kimono A. take part in B. presence C. courtyard D. join A. radioactive B. Oxford C. conscience D. file A. November B. division C. reading room D. accomplishment A. archaeology B. roar C. be satisfied with D. conference A. idiom B. antique C. be occupied with D. confused A. second-hand B. reform C. catch up with D. anxiously A. calculator B. journey C. greengrocer D. rainbow