This dog is well trained ---she’ll come running back to me every time I ( ) to her. ( 章节：5 难度：3)_做题室

单项选择题This dog is well trained ---she’ll come running back to me every time I ( ) to her. ( 章节：5 难度：3): A、whistle; B、whistler; C、whistled; D、whistling

正确答案：A
答案解析：
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