18.
(A)since
(B)until
(C)whether
(D)wherever

答案：登入後查看
統計： A(523), B(111), C(184), D(72), E(0) #980572

Janet

B1 · 2016/08/16

#1444146

Specifically, 18 your blood is red, it reflects red light and absorbs green light.

(A)since 因為