Условие задания: 2 Б.
Read the situation and write the sentence in Present Perfect. Write only full verb form. Don't put the full stop at the end.

Примечание: Запишите только форму глагола. Все формы должны быть полными. Точку в конце ставить не нужно.

Example: has done
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Maria's English wasn't very good. Now it is much better. It (improve).