52. After careful planning and a lot of work,the laboratory________ into a media center earlier this year.
(A) which transforms (B) was transformed (C) had to transform (D) has been transforming
Chen Yen Yu 小一下 (2015/10/27) 正解:(B) was transformed辨析:(A) which transformed -- transformed是過去式,而實驗室不會自己"主動"轉型,應用被動式 (C) had to transform -- 意.....觀看完整全文,請先登入