Контрольные задания > D. It is not easy to study parrots in the wild because ...
1) it is difficult to catch them.
2) people don't put tags on them.
3) they are not clever.
Вопрос:
D. It is not easy to study parrots in the wild because ...
1) it is difficult to catch them.
2) people don't put tags on them.
3) they are not clever.