Помогите пожалуйста сделать! Заранее спасибо)))

Question

Помогите пожалуйста сделать! Заранее спасибо)))

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Answer 1

2 My mum has been cooking for three hours.
3 The teams have been playing football for twenty minutes.
4 The headmaster has been speaking for two hours.
5 Bill has been building his house for six months.
6 I have been doing my homework for three hours.