Выберите один из предложенных вариантов ответа. i (a1) in the same college for many years, but i remember one occasion in particular when i had this feeling. a few years ago i (a2) a lesson of physics to a student in an upstairs lecture room where i (a3) before. i reached the part of the lesson where we began discussing radioactivity when i (a4) by a feeling of deja vu. i knew i was about to refer to a book in my office. i also knew that on a previous occasion i (a5) to collect it from the office too. i (a6) to my student and asked him if we had discussed the topic already. he looked puzzled and replied that we (a7) anything like that before. a1 1) have worked 2) am working 3) worked 4) am being worked a2 1) have given2) was given 3) had given 4) was giving a3 1) have never taught 2) have never been taught 3) had never taught 4) was never teaching a4 1) swamped 2) was swamped 3) was swampimg 4) have been swamped a5 1) was gone 2) have gone 3) had gone 4) was going a6 1) had been turned 2) turned 3) was turned 4) was turning a7 1) hadn't done 2) wouln't have been done 3) won't do 4) haven't done

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