Wasi Widayadi

english #english #adjectiveclause #english #tourism past simple present perfect #tourism strategic management future travel and tourism guessing meaning context clues uncountable plurals countable causative verbs #superlatives #comparatives #adjectives #questions #question words development sustainability system approaches sustainable development paradigms present simple present continuous questions question words #present continuous #present simple #must #modals conditional if healthcare baldrige quality control management strategic quality assurance quality business passive