Grammar: How to use IF & WHETHER properly

توضیحات:

Learn how to use "if" and "whether" properly in English. Whether you like it or not, "if" and "whether" are not always interchangeable. In fact, if you use t...

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English, ESL, Learn English, grammar, English grammar, vocabulary, English lesson, English classes, IELTS, TOEFL, native English, conversation skills, speaki...

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