Грамматические упражнения 1) Вставь артикль a или an 1. __ book 2. __ aunt 3. __ father 4. __ puppy 5. __ engineer 6. __ toy 7. __ elephant 8. __ bird 9. __ teacher 10. __ uncle 2) Вставь нужную форму have либо has 1. I _____ got a mother and a father. 2. I ____ not got an uncle and an aunt. 3. Ann _____ got a bird and an elephant. 4. She ____ not got a ball. 5. Jack ____ got a toy bear. 6. I ____ got a sister. 7. Alice ____ got a brother and a sister. 8. He ____ not got a yellow bird...

That only scientists do not study what they are not looking for, and in addition and find in the course of their scientific experiments and searches. Judge for yourself. We watched and watched the videos on YouTube by neurobiologists from Germany. And were inspired by the contemplation of frames, where the owners of pets demonstrated how their pets play. And pets are different. Including rats, which, as you know, are very easy to train and willing to play with people and even with each other. For example, I saw this for myself when I was holding a boy's rat...