Поставьте предложения в вопросительную и отрицательную формы.
1. Countries buy and sell various goods as well as various services.

Ответы

Ответ дал: Маришуся
1
Вопросительная: Do countries buy and sell various good as well as various services?
Отрицательная: Countries don't buy sell various good as well as various services.
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