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Exercise: (T) I have never visited America. (T) I have already been to America. (F) I have never been visiting America Step 2 Practice 1. Part A: Read the conversation and circle the right words to plete it. Answers: (1) heard (2) been doing (3) been researching (4) been doing (5) started (6) done (7) read (8) found (9) started (10) been doing (11) been making 2. Try to answer the following questions according to the ic strip. (1) Where do you think the boy has been waiting? (He has been waiting at an underground station.) (2) What have the aliens been traveling in