问题
选择题
._______ there is going to be a policy change ________ of those things is going to change. [ ]
A. Unless; few
B. Until; few
C. Unless; none
D. Until; none
答案
答案：C
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._______ there is going to be a policy change ________ of those things is going to change. [ ]
A. Unless; few
B. Until; few
C. Unless; none
D. Until; none
答案：C