What is pro-form?the linguistic problem

What is pro-form?the linguistic problem What is the abbrivation form of adverb? What is the abbrivation form of adjective? What is the plural form of cat? what is the english sonnet form? what is pro-social behavior? what means is devinewhat means is the food is devine? please help me, pro. what is the short form of had better? what is the best form of learning 写英语作文 what is approaching languagefrom the perspectives of sound and form What is the conception of every form of business? what letter is a form of the verb to be Discuss Euthanasia.What are the pro and cans?In your opinion is it right or wrong? 1.What is your biggest problem when learning English,and what solutions do you suggest to the pro What is the unit mb for wind means and also I want the short form! what is a form of courage? what is comparative form of officially are you form? What is mean?