_____ we have enough evidence, we can’t win the case.

Countless people in developing countries no longer suffer malnutrition.______，poverty remains a problem worldwide.

---The Bird's Nest, isn't it?---Yes. It's ___________we visited during our stay in Beijing.

Jack was halfway back to the village where his mother lived _____ Mary caught up with him.

Best-selling author and race car driver Han Han offered a 20 million RMB reward to _____ could prove his works were ghostwritten (代笔).