Вставить:
1) a-did b-have c-had
2)a-hasn't b-haven't c-didn't
3)a-'ve just read b-haven't c-didn't
4)a-didn't go b-he'd take been c-wasn't
5)a-knew b-known c-knows
6)a-since b-yet c-for
7)a-write b-wrote c-written
8)a-for b-since c-just

Там в 4 я ошибся :) B - hadn't been

1 have 2 haven't 3 've just read 4 wasn't (но я бы сказала - she had never been)5 known 6 for 7 wrote 8 since