一、单项填空
1.(原创)China began relaxing the original family planning policy in January 2014, allowing a couple to have a second baby on condition that _______ is an only child.
A. another B. both C. all D. either
2.(2015年高考英语原创预测卷 02福建卷)We need some more facts and figures _______ we take the final decision.
A. since B. after C. before D. until
