問題詳情

14. _______ at the back door, and they may hear you and open the door.
(A) Try knocking
(B) Trying to knock
(C) To try to knock
(D) To try knocking

參考答案

答案：A
難度：困難0.384615
統計：A(45),B(49),C(6),D(8),E(0)

用户評論

【Ivy】評論

try to V = 努力去做某件事, 希望能達成預期的效果 try Ving = 試著做某件事, 看看效果如何