8. choose the correct form of the verb. 1. the number of days in a week is/are seven. 2. a number of streets in our city is/are still known by their old names. 3. the number of workers in our group at the camp was/were six.

dashasmirnova85 dashasmirnova85    3   28.09.2019 00:30    0

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Осень25 Осень25  08.10.2020 23:37
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