問題詳情

(  )4.The old man watched his grandsons playing ________ on the playground.
(A) happily 
(B) happiest 
(C) happy 
(D) happier

參考答案

答案:A
難度:簡單0.730769
統計:A(57),B(2),C(15),D(4),E(0)

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