Раскрыть скобки, употребляя глагол в Present Perfect Continuous.
1 By tonight she … (to keep) to a diet for 2 weeks already.
2 They … (to celebrate) their wedding since last Friday?
3 I … (to play) the violin for a long time when my friends came.
4 Tony … (not to speak) on the phone since breakfast time.
5 Wake up! You … (to sleep) for 12 hours already!
6 We … (not to sunbathe) for several hours by the time she reads our letter.
7 Little Mary already… (to play) with the toy?
8 Mark and Ben… (to choose) a new telephone for an hour before he bought
it.
9 Liz … (to translate) the book for ages.
10.He said he … (to wait) for us for half an hour.
Написать только ответы. Например: 1)has been keep
Вопросительные предложения (№2,7) написать полностью.