AYUDA POR FAVOR, ES PARA HOY

Past perfect or Past Perfect Continuous?
Put the verbs in brackets in Past perfect or Past Perfect Continuous.

1. Julia wanted to sit down as she _______ (stand) at work all day.
2. She __________ (learn) "Eugene Onegin" by the autumn.
3. The rain stopped but there were a lot of puddles because it ________(rain) cats and dogs.
4. Olivia and Victor _______ (chat) via Skype for an hour en the connection broke.
5. They __________ (decorate) the New Year tree before the children arrived.
6. Bob _________ (eat up) all the muffins by lunchtime.
7. My sister ________ (do) the laundry since early morning.
8. I knew that our parents _________ (grow) melons in their greenhouse since they bought the house.
9. He _________ (loose) much weight by the end of the year.
10. Brown understood the problems of his agency because he __________ (work) for it since 2005. ​