2. 外语
  3. He comes back to his hometown to see his parents at regular _________.

He comes back to his hometown to see his parents at regular _________.

admin2010-01-15  39
问题 He comes back to his hometown to see his parents at regular _________.
选项 A、gaps
B、pauses
C、intervals
D、spans
答案C
解析 “At regular intervals=often”是固定搭配。例如：The phone rang at regular intervals all afternoon。所以，正确答案为C。
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