Stop _______ . It's time for class. [ ]
A. talk
B. to talk
C. talking
答案：C
（）是民族区域自治的核心。
The goods which have entered the territory, approved by the Customs as items for which no formalities are performed in the way of duty payment, and will be reshipped out of the territory after being stored, processed or assembled in the territory are defined, as ______.
A. bonded goods B. through goodsC. transshipment goods D. transit goods
