英語が得意な人、!この問題の答えを教えてください - よろしくお願いしま

英語が得意な人、!
この問題の答えを教えてください
よろしくお願いします
問題はこちらです↓
https://acrobat.adobe.com/link/track?uri=urn:aaid:scds:US:6aa115d7-e2a2-4abf-9e60-48691900fc66
1
1had already finished
2hadn't started
3had gone

2
1had never finished
2has never been
3had lived
4had lived
5had lost
6had been working

1I hadn't seen her
2She had got it
3Kei had been waiting
He had waited
4I had never talked

1had not cleaned his room for more than a month
2had seen Takuya in a picture
3When I came home,everyone had gone to bed
4I had never eaten such a big hamburger before I went to the US.
5When it began to rain,we had been playing baseball for about an hour.

1had never seen her before
2had never ridden a horse before

以上が一枚目の解答です。