阿摩線上測驗
5. To _____ his theory, Dr. Hayes offered experimental evidence, case study reports, and a log of observational notes.
(A) allocate
(B) incorporate
(C) exacerbate
(D) substantiate
答案：登入後查看
統計： A(0), B(3), C(0), D(4), E(0) #3412501
統計： A(0), B(3), C(0), D(4), E(0) #3412501
