A. sofa B. of course C. mom D. commitment A. how much B. spectacular C. pollute D. sales A. principal B. mathematics C. neighbour D. size A. whiteboard B. poem C. dam D. us A. Pacific Ocean B. middle C. speed up D. more A. survey B. beetle C. bath D. nice A. join in B. tenth C. cheap D. revealer A. parquet B. eighty C. stay up late D. stiffly A. lash B. in some ways C. pretty D. correct A. according to B. scarf C. scientific D. pen