17. When the experiment failed, Dr. Smith realized that he _____ the chemicals incorrectly.
(A)mixes
(B)has mixed
(C)was mixed
(D)had mixed

答案:登入後查看
統計: A(0), B(2), C(0), D(28), E(0) #3915268

私人筆記 (共 1 筆)

私人筆記#8564073
未解鎖
✦✦✦已幫考友用星等分類重要單字 17...
(共 449 字,隱藏中)
前往觀看
1
0