Fill in the gaps with the correct forms of the verbs.
Слова в скобках

We (wait) for George for half an hour!
Dora (play) chess since 6 years.
Kids should take a break and go out. They
(listen) to music all day.
Jane (learn) Italian for 8 months.
Pam looks exhausted. What (do) she (do)?
It (snow) since midnight.