問題詳情
12. The most important reason why children should learn to swim is that drowning is still one of the most commoncauses of accidental death, so being able to swim is an _____ life-saving skill.
(A) essential
(B) agreeable
(C) endangered
(D) incidental
(A) essential
(B) agreeable
(C) endangered
(D) incidental
參考答案
答案：A
難度：簡單0.814815
統計：A(22),B(2),C(0),D(1),E(0)
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