They have been watching TV since 9 o’clock.
[spoiler title=»Ответ»]
Have they been watching TV since 9 o’clock?
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I have been waiting for you since 10 o’clock.
[spoiler title=»Ответ»]
Have you been waiting for you since 10 o’clock?
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He has been working in the garden for 3 hours.
[spoiler title=»Ответ»]
Has he been working in the garden for 3 hours?
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She has been sleeping for 5 o’clock.
[spoiler title=»Ответ»]
Has she been sleeping for 5 o’clock?
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We have been cleaning our room since 5 o’clock.
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Have you been cleaning your room since 5 o’clock?
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They have been learning new words for an hour.
[spoiler title=»Ответ»]
Have they been learning new words for an hour?
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My dad has been fixing his car since the early morning.
[spoiler title=»Ответ»]
Has your dad been fixing his car since the early morning?
[/spoiler]
We have been drinking tea for 5 minutes.
[spoiler title=»Ответ»]
Have you been drinking tea for 5 minutes?
[/spoiler]