What is the abbreviation for advanced?

Locate the gerund of you enjoy walking in the country? How do you spell 497? In this excerpt the sequence of events creates suspense by? What is infa red often the incorrect spelling for? How can you say good night I love you too in Chinese? How do you use the word respiratory in a sentence? What is comparative form of shining? What is the plural of dj? Is the mathematical symbol a b metaphor or a simile? What part of speech is nocturnal? Which is the term used to refer to the process of two modems establishing communications with each other? Do you capitalize white water rafting? What is a biography maker? Poem that spells word vertically is called? Define and distinguish antibody affinity and avidity? What does the acronym PSAT stand for and in which grade do the scores qualify students for national merit and national achievement scholarships? Definition of front stage and back stage? Is him a common or proper noun? What is the plural form of crocus? Is requirements a noun verb adverb or adjective?