16. Children are not allowed to use the swimming pool __________ they are with an adult.(A) in case(

問題詳情

16. Children are not allowed to use the swimming pool __________ they are with an adult.
(A) in case
(B) provided
(C) unless
(D) as long as

參考答案

答案：C
難度：簡單0.771654
統計：A(9),B(9),C(98),D(11),E(0)

用户評論

【阿滋米】評論

(C) unless 除非

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