1) I have been here ........................ 2 hours a) for b) since 2) she has been here ..................... two oclock a) for b) since 3) she has gone to class ...........................1398 a) for b) since 4) I have started English class .................. I was seven a) for b) since 5) she has worked here .................. 3 years. a) since b) for 6) they have been here ..................... July a) for b) since

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