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1. We could (take) the bus, but in the end we decided to walk.
2. Although I could (buy) the DVD, I actually got the video.
3. Alan could (go) to the concert with Sindy, but he stayed at home instead.
4. They could (catch) an earlier plane, but they decided to get the later one.
5. Could yo u (stay) longer or did you have to leave then?
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