问题

Hello, Mary! This is John. You must know why I _________ you.－Oh, hello, John! I’ve waited for this call since last month.

A:called
B:am calling
C:was calling
D:have called

正确答案是：

标签： hello , john , mary

同类题型

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volunteers are working for 2014 International Horticulture Exposition in Qingdao.