Present perfect tense exercises doc - Squarespace
TENSES. T 27 www.english-grammar.at. Fill in the correct form of the Present Perfect tense! 1. The earth. here for billions of years (be). 2. We ...
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TENSES. T 27 www.english-grammar.at. Fill in the correct form of the Present Perfect tense! 1. The earth. here for billions of years (be). 2. We ...
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