18. _________ you are not satisfied with the washing machine, you can always return it and get a ref

問題詳情

18. _________ you are not satisfied with the washing machine, you can always return it and get a refund
(A)If
(B) Which
(C) Although
(D)After

答案：A
難度：簡單0.875
統計：A(7),B(0),C(1),D(0),E(0)