2026安徽農(nóng)商行校園招聘英語練習(xí)題（21）
Every possible means _____ , but none proves successful.
A. has been tried
B. tried
C. is being tried
D. has tried
【精析】A
來源：網(wǎng)絡(luò)整理
(責(zé)任編輯：liutingting)
