Непойму как делать
Помогите

Ответ:

1. have learnt

2. read

3. is

4. studied

5. wrote

6. have done

7. didn't recite

8. have done

9. English is useful because you can travel to other countries and easily communicate with foreigners.

10. English is difficult because there are many difficult grammar and lexical rules.

11. I am good at Mathematics, dancing.

12. I am not good at fishing, singing.