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, ...?
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?