DataTable dt_customers = new DataTable(\ds.Tables.Add(dt_customers);
C.
ds.Tables.Add()
D.
ds.Tables.Add(new DataTable()
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【简答题】完成下面的对话,每空一词。 A: Hello! May I 1._____ to Toby? B: Speaking! A: Hi, Toby! 2. _____ is Tina speaking. B: What's wrong? A: I 3._____ you yesterday, but you were not at home. Where did you go? B: I went t...
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