Помогите пожалуйста, даю 25 баллов

1. The plane...
at 4 p.m. (take off)
2. Be careful! You...
(fall)
3. I...
my sister in April. (see)
4. Look at the clouds - it...
in a few minutes. (rain)
5. They...
to London on Friday evening. (fly)
6. Hurry up! The conference...
in 20 minutes. (begin)
7. You're so tired! I...
you with these documents.
(help)
8. This time tomorrow we...
on the beach. I can't wait!
(sit)
9. I think astronauts...
on Mars by the year 2020. (land)
10. I promise I...
all the work by next Saturday. (do)
11. We...
together for 12 years next year. (live)​