What am I riddles

O_er_t_o_ Complete the missing letters of the given word.

I have a head and a tail that will never meet. Having too many of me is always a treat. What am I?

The Best Tricky Riddle. You use a knife to slice my head and weep beside me when I am dead. What am I?

I have six faces but not even one body connected, 21 eyes in total but cannot see. What am I?

What kind of ship has two mates but no captain. What am I?

He has one and a person has two, a citizen has three and a human being has four, a personality has five and an inhabitant of earth has six. What am I?

Im like a doll, But Im not for playing; I stand up straight, but if windy I may be laying; Im well-known and famous for having no brain; I work outside both day and night in sunshine or in rain. What am I?

Open me, and you cant see me without a mirror. Close me and you cant see me at all. What am I?

I start with the letter e, I end with the letter e. I contain only one letter, Yet I am not the letter e! What am I?

I have hands that wave you, though I never say goodbye. Its cool for you to be with me, especially when I say HI. What am I?

I am the beginning of everything, the end of everywhere. Im the beginning of eternity, the end of time and space. What am I?

I cannot hear or even see, but sense light and sounds there may be. Sometimes I end up on the hook, or even deep into a book. What am I?