I _____________________________ (read) a book now., am reading, is reading, am read, They _______________________ (build) a castle at this moment., is building , are building, building, The dog and the cat _________________ (run) in the park now. , is running, running, are running, I __________ (not wear) a dress today., am not wearing, isn´t wearing, not wearing, ______ the plane ___________ (fly) at the moment? , Is ... flying, Are ... flying, Am... flying.

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