22.---Has Sam finished his homework today? ---I have no idea.He it this morning. A.did. B.has done C.was doing D.had done 【查看更多】

 

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---Has Sam finished his homework today?

---I have no idea.He ________ it this morning.


  1. A.
    did
  2. B.
    has done
  3. C.
    was doing
  4. D.
    had done

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-Has Sam finished his homework today?---I have no idea.He ________ it this morning.

[  ]

A.did

B.has done

C.was doing

D.had done

查看答案和解析>>

---- Has Sam finished his homework today?
---- I have no idea. He ________ it this morning.

A.didB.has doneC.was doingD.had done

查看答案和解析>>

—Has Sam finished his homework today?
—I have no idea. He ________ it this morning.

A.didB.has doneC.was doingD.had done

查看答案和解析>>

—Has Sam finished his homework today?

—I have no idea. He ________ it this morning.

[  ]

A.did

B.has done

C.was doing

D.had done

查看答案和解析>>


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