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1.Bad driving causes many accidents.2.Jenny was waiting for me,when I arrived.3.Tom is looking for the key now.He has lost his key.4.Patrick has been playing tennis since his childhood.5.When we got to the cinema,the film had already begun.6.In half an hour the cinema will be full, people will be watching the film.7.I am afraid he will have spent all the money by the end of his holiday.