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Что здесь нужно вставить? we have already that cellulose in paper comes from trees. a) know b)knew c)will know d) known

Ответ:

noname1710

25.05.2020 21:53

Known. 3-я форма глагола)

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Ответ:

никун

25.05.2020 21:53

Тут нужно выбрать D) known , потому что это present perfect

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