Составьте присоединенные вопросы.
1. It's my key, ...? It іѕn't his key, ...?
2. It's not a mistake, ...? It's a bad mistake, ...?
3. Betty's son isn't ill, ...? He's okay, ...?
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1 It's my key, isn't it? It isn't his key, is it?

2 It's not amistake, is it? It's a bad mistake, isn't it?

3 Betty's son isn't ill, is he? He's okay, isn't he?