I heard that you really had a wonderful time at John's birthday party, _____?

Modern science and technology has _____ communication between people far apart.

Under no circumstance _____ to tell lies to parents.

The professor said he could talk on _____ interested the audience.

It _____ quite a few years _____ the accused was declared innocent and set free.

We must remember that _____fashion is not the most important thing in _______ life.

Ms Nancy didn't mind at all ______ to the ceremony.

"_____ your meeting is!" he offered them his sincere congratulations.

专家：只有当一个物品的产权界定清晰，并且能够对它进行交易时，该物品的真正价值才能体现出来。我们说要保护农民的利益，如果连农民的最大利益是什么都搞不清楚，如何保护?农民有什么值钱的东西?就是那块宅基地。只有让宅基地的价值得到充分体现，才叫真正保护农民的利益。如果以上陈述为真，则以下哪项陈述必然为真?

最近实施的一项历史上最严格的禁止吸烟的法律，虽然尚未禁止人们在其家中吸烟，却禁止人们在一切公共场所和工作地点吸烟。如果这项法律得到严格执行，就会彻底保护上班人员免受二手烟的伤害。如果以下哪项陈述为真，最有力地削弱了上述论证?