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匿名使用者 發問時間: 社會與文化語言 · 1 0 年前

過去進行與過去簡單填空

When they ......................... at the airport ,the plane ...................... .

(the plane took off at the same time they arrived )

When they ........................ the expedition ,the sky ........... .

(they canceled the expedition. Immediately the sky cleared )

1 個解答

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  • 1 0 年前
    最佳解答

    When they were arriving at the airport ,the plane took off .

    When they were canceling the expedition ,the sky cleared immediately .

    兩件事情一前一後的發生, 或在某個條件之下另一件事

    會發生, 就用when來當連接詞.

    參考資料: web
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