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  • 更新 2022-09-03
  • 科目 英语
  • 题型 单选题
  • 难度 较易
  • 浏览 1798

—Is Tom still in New York or already back at home? 
—I’m not sure _________. I’ll call to make sure.

A.if he has been back B.that he has come back
C.why he has come back D.how he will be back
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—IsTomstillinNewYorkoralreadyb