問題詳情

6. Colin spent an hour ______ for his keys, and they were in his car all the time.
(A) was looking
(B) looked
(C) to look
(D) looking

參考答案

答案:D[無官方正解]
難度:適中0.615385
統計:A(1),B(2),C(1),D(8),E(0)

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