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---HasWilliamfinishedwritinghisgraduationpaperyet?---Id...

練習題7.31K

問題詳情:

---HasWilliamfinishedwritinghisgraduationpaperyet?---Id...

---Has William finished writing his graduation paper yet?

---I don’t know exactly, but he        all day.

writing        been writing   writing      e

【回答】

B

知識點:動詞時態與語態

題型:選擇題

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