Everymeans
問題詳情： Everymeans_________triedbutwithoutanyresult.A.havebeen B.hasbeen C.aretobe D.istobe【回答】B知識點：現在完成時及其被動式題型：選擇題...
Everymeans
問題詳情：Everymeans_________,butnoneproved__________.A.havetried;asuccess B.havebeentried;successfulC.hastried;tobesuccessful ...