15. _______ is important to keep healthy.(A) This (B) That(C) What (D) It

問題詳情

15. _______ is important to keep healthy.
(A) This
(B) That
(C) What
(D) It

參考答案

答案：D
難度：簡單0.732143
統計：A(12),B(11),C(7),D(82),E(0)

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