問題詳情

6. ______Mary was very sick yesterday, ______ she did not go to the concert.　
(A)　Because; so　
(B)　Because; x　
(C)　×; because　
(D)　So; ×

參考答案

答案：B
難度：適中0.6
統計：A(3),B(6),C(1),D(0),E(0)