匿名使用者
匿名使用者 發問時間: 社會與文化語言 · 1 個月前

American police wasted hours of their time_____to catch a large hot air balloon they had believed to have a child inside.(A) tried(B) trying?

(C)to try(D)were trying 

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1 個解答

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  • 1 個月前

    Answer is (B) trying.  (participle construction with the verbs "waste" and "spend")

    The pattern is:

    verb + time/money expression + present participle

    (wasted + hours of their time + trying)

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