Answer:
People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?
Which word is the odd one out: first second third fourth fifth sixth seventh eighth?
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
If I drink, I die. If I eat, I am fine. What am I?
I am a tool for fairies.
It flows out of the soil, It burns you if it boils, And holds us in its coils, More valuable than gold, As black as it is old.