1) i din't sleep
2) didn't play. He played
3) We washed
4) тут правильно сказать Did you do your homeworl yesterday
5) slept
6) was; went; found; brought; decided;
7) went; met; talked; laughed; told; liked
8) began
9) finished
10) met
11) fell
12) rang; jumped; ran
13) slept
14) began; found
15) came; helped
16) had
17) built
18) wrote
19) woke up
20) took