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1) By the time the film started, many cinema-goers (arrive) ____. have arrived arrived has arrived had arrived 2) Before he came to Warsaw he (live) ____ in Prague. had liven had lived lived have lived 3) I felt really stupid because I (make) ____ a lot of mistakes. had made was made made have made 4) He (spend) ____ three years in Tahiti when he was a child. spent have spent had spet spend