专题2 动词的时态和语态及情态动词_20
（2016·天津） When walking down the street, I came across David, when I _____ for years.A．didn’t seeB．haven’t seenC．hadn’t seenD．wouldn’t see
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（2016·天津） When walking down the street, I came across David, when I _____ for years.A．didn’t seeB．haven’t seenC．hadn’t seenD．wouldn’t see