pasado perfecto continúo
interrogativas
ayudaa por fis

1. _____ she _____ (wait) for a long time?
2. _____ ther _____ (work) on the projec all day?
3. _____ You _____ (study) before the exam?
4. _____ You _____ (sleep) before the naise wake You up?
5. _____she _____ (cook) dinner for two hours before the guests arrived?
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