7. She (not read) your book yet.

Задание 7. She (not read) your book yet.

Present Perfect negative. Подлежащее 'She' требует 'has'. Третья форма глагола 'read' — 'read' (произносится как 'рэд').

Получаем:

She has not read your book yet.

Ответ: has not read