شرکت در آزمون آنلاین
زبان انگلیسی 2
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زبان انگلیسی 2
| آزمون شماره 6033
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E-
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A language family is a group of languages …… and similar vocabulary, grammar, and sound systems.
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We can solve the problem by ....... of research.
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The ....... researchers exchange their valuable knowledge about the new continent with each other.
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Coffe is Brazil's main ............. and the country exports almost one-third of the world consumption of coffee.
