問題詳情

27. You must ＿＿＿ your hands before lunch.
(A) to wash; eating
(B) to wash; eat
(C) washing; to eat
(D) wash; eating

參考答案

答案：D
難度：困難0.25
統計：A(2),B(0),C(1),D(1),E(0)