21. _____ you work hard, you will succeed.(A) Unless (B) As far as (C) Even though (D) As long as

問題詳情

21. _____ you work hard, you will succeed.
(A) Unless
(B) As far as
(C) Even though
(D) As long as

答案：D
難度：計算中-1
書單：沒有書單，新增