問題詳情

6. My cousin, Emily, is busy _____ her research _____ weekends, but she is free _____ this weekend.
(A) doing; on; on
(B) with; on; ×
(C) doing; ×; on
(D) with; ×; × 

參考答案

答案：B
難度：適中0.625
統計：A(2),B(5),C(1),D(0),E(0)