问题补充:
It is impossible that you achieve your goal without effort, ?
A. don’t you
B. is it
C. isn’t it
D. do you
答案:
A. don’t you
B. is it
(答案→)C. isn’t it
D. do you
解析: 句意:你不努力达到目标是不可能的,是吗?前面的陈述句是It is impossible that…的句型,反意问句和It is…保持一致,根据前肯后否的原则,选C。