《黄土地》展开了对()的反思。
A. 政治体系
B. 社会阶级矛盾
C. 中国传统文化
D. 小农经济模式
Don't you think It is time you _______ smoking.
A. give up
B. gave up
C. would give up
D. should give up
中国的重要战略困境之一是实力向影响力的转化有限,导致大战略的动能不足,这就需要诉诸( )。
A. 联合国
B. 国际制度建设
C. 国际交流
D. 国际合作
Without your help, I ________ so much.
A. didn't achieve
B. don't achieve
C. hadn't achieved
D. wouldn't have achieved