Write the correct tense or form of the verbs in brackets

Ex2. Write the correct tense or form of the verbs in brackets. (5 points)
1. Sue (sleep) __________________ more than ten hours. It’s time she got up.
2. By December next year, we (live) __________________ in this house for twenty years.
3. If it (not/be) __________________ for Mary’s help, I wouldn’t have been able to take part
in the competition.