Question

Not until we have had a chance to discuss it thoroughly ________ perfectly. A．the problem ha..

Not until we have had a chance to discuss it thoroughly ________ perfectly. A．the problem has been settled B．has the problem been settled C．will the problem be settled D．the problem was settled

Answer 1

C

C 解析　句意为：直到我们有机会充分讨论这个问题，它才能被圆满解决。not until置于句首，主句用部分倒装，助动词置于主语前；由until引导的时间状语从句用的是现在完成时(表即将完成的动作)可知，主句用一般将来时。