I tried every means to reach my goal but failed. So desperate ______ that I almost lost heart.
Water, _____ we cannot live, exists in the form of liquid, gas or solid.
It still remains a question _____ life exists on any other planet in the solar system.
The old lady likes to keep things in the house, _____ throw them away, though many are useless.
Most of the evidence was destroyed in the fire. _____, it would be almost impossible to prove Jim guilty.
_____ John won a gold medal in the English competition really excited his family.