1 и 3 точно артикли ставятся, а насчет Байкала не знаю
<span>She's 1
(b) had two glasses of water, but she is 2 (c) thirsty.
The research
hasn't been completed 3 (e).
We have 4 (d) booked the tickets.
We
haven't seen each other 5 (a) a long time.
You haven't talked about that
6 (f) Mark left.
a) for b) just c) still d) already e) yet f) since
1b2c3e4d5a6f
</span>
1 if we leave now
2 unless you have
3 he would get
4 if I had driven
5 if she lived
6 I wouldn’t have missed
7 I would download
8 I will move
1. At
2. At
3. In
4.-10 ----
11. In
12.On
13. On
14-16-----
17. In
18. On
19. In
20----
[ t ] skipped, washed, dressed, helped, watched, looked, jumped, thanked