English Grammar: How long does it take?


source: Learn English with Rebecca     2016年8月20日
How long will it take you to watch this video? Just a few minutes! But in that short time, you will learn how to use the very common English expression "how long will it take" in the present, past, and future tenses. Improve your grammar instantly by watching this video, then master how to ask and answer questions easily by doing the many practice exercises on the quiz at http://www.engvid.com/learn-english-g... .

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