＜正＞WEEKEND PLANS Al:Hi,I’m glad I ran into you.Bob:Why?What’s up?Al:How’d you like to go on a hike（徒步旅行）this weekend?Bob:All weekend?Al:Well,just Saturday and Sunday.Bob:I’m not sure I can be gone all weekend.I promised to help my sister move on Saturday.Al:How about Sunday,then?We could start early in the morning.Bob:I might be able to do that.Let me check and I’ll call you at home tonight.
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