【題組】8. Tim often failed in his math tests, so he seemed to have a hard time ______ math.(A) studied

問題詳情

【題組】8. Tim often failed in his math tests, so he seemed to have a hard time ______ math.
(A) studied
(B) study
(C) studies
(D) studying

參考答案

答案：D
難度：簡單0.857143
統計：A(1),B(0),C(0),D(12),E(0)

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