⇢ РЛ
Регина Лукьянчук Шуран
помогите превратить эти предложения в воросы
Marketing operations are very expensive.
A marketer should be guided by four principles.
Market research helps to determine customer needs.
АН
Аделина Нагимова
Are marketing operations very expensive.?
Should a marketer be guided by four principles?.
Does market research help to determine customer needs ?
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