1) After the guests....... , we arrived a) were leaving b) had leave c) left d) had left e) was leaving f) leaves 2) Look! Everyone ......... around the square a) was running b) is running c) runs d) ran e) were running f) are running 3) The pilot ...... all the flight system before he landed a) check b) checked c) had checked d) had check e) checks f) was checking

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