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Математика![Фото задания: 6. He knew that place very well because he ____ there many times. [варианты на фотографии частично неразборчивы]](https://photoai.euroki.org/img_1788515122810.jpg)
Ответ:
The visits happened before the past moment expressed by “knew”, so the past perfect is used.
Answer: had been
6. He knew that place very well because he ____ there many times. [варианты на фотографии частично неразборчивы]
The visits happened before the past moment expressed by “knew”, so the past perfect is used.
Answer: had been