A. challenge B. reference C. letter D. skirt A. throng B. late C. passport D. satisfaction A. foreigner B. dozen C. why D. comment A. last B. explosive C. grandparents D. stop A. read out B. smile C. play sports D. make fun of A. protein B. mat C. busy D. jasmine A. smiling B. patience C. vicinity D. need A. essay B. clean my room C. be surprised at D. personality A. help oneself B. otherwise C. genius D. eat breakfast A. wit B. nag C. melt D. dancing