FOR, Have you been waiting here ____ two hours?, HAS, She ____ been working at that company for three years., WHAT, ____ have you been doing for the last 30 minutes?, SINCE, James has been teaching at the university ____ June., BEEN, Why has Nancy not ____ taking her medicine for the last three days?, LATELY, I have been feeling really tired_______., HOW LONG, _____ have you been learning English?, PRACTICING, Lisa has been _______ her English all morning., BEING, The house has been _____ painted all afternoon., ALL NIGHT, They have been smoking ______..

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