Решение задания:

• 

  Альбина Геннадьевна

  1/ to go, did you say, them, had done, are

  2/ opened, her, sat

  3/ had known, was

  4/ went (но можно и had gone - в значении, что он осознал это позже)

  5/ her, were seen

  6/ happened, are

  7/ third, am driving

  8/ open, examined

  9/ are you doing here, am having tea with my friends, will you join us?

  10/ had arranged, her, opened, stood, walk

  11/ women, were standing (хотя можно и просто stood)

  12/ worse, younger, is