Ответ:
21. I can swim. There
22. He doesn't know how to ride a bike.
23. We can sing.
24. Jalioblio
mokonan. I like shorolad
25. He has (he has) a bicycle.
26. Don't talk!
27. This
28. His pen is blue and hers is red.
29. They are our friends. They
are ours
freads
30. My dog runs fast, but its slow.