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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 中等
  • 浏览 391

He kept smiling secretly and we were all wondering_______that made him so happy.

A.how it did B.what he did C.how it was D.what it was
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Hekeptsmilingsecretlyandwewere