A. potentiality B. part-time C. noise D. correction A. play the role of B. outdoors C. dumplings D. pupil A. rubbish B. dive into C. inventor D. and so on A. theme park B. cosmology C. notes D. instructions A. mournful B. service C. squall D. generous A. halfway B. blur C. knot D. birth A. amphibious B. park C. uncanny D. report A. pollution B. northwestern C. Ottawa D. adolescence A. morning B. quiet C. bronchitis D. disturb A. moon B. billion C. blaze D. trough