A. puzzling B. theft C. thing D. go by A. dispose B. livelihood C. can D. preferential A. pen B. Calais C. pollution D. hungry A. taxi driver B. halt C. decision D. see A. scorpion B. delighted C. snake D. clock A. play chess B. dose C. freshwater D. mushroom A. row B. helpful C. reunite D. subdue A. pessimistic B. building block C. warm up D. men A. water B. soya milk C. feeling D. pollute A. dragon boat B. infant C. innocent D. housewife