Use present perfect or present perfect continuous
1. The vegetables ______________________________ (boil) since 10 o’clock.
2. He ______________________________ (wait) for her answer for six months.
3. My sister __________________________(send) job applications for 3 months ( send sent sent)
4)We __ just( cook) potatoes with vegetables.
5)You __ already (be) in Prague.(be was\were been)
6)I  (see) a koala in the local zoo three times. It __ always( sleep).(see saw seen. Sleep slept slept)